Tag: xss
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Jenkins Plugin Updates Fix Path Traversal and Stored XSS Bugs
The Jenkins project released a critical security advisory addressing seven vulnerabilities across multiple widely used plugins. The disclosed flaws include high-severity path traversal and stored cross-site scripting (XSS) vulnerabilities that could allow threat actors to execute arbitrary code or hijack user sessions. All vulnerabilities were responsibly disclosed through the Jenkins Bug Bounty Program, which the…
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Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks
Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-says-zimbra-flaw-now-exploited-over-10k-servers-vulnerable/
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Critical Spring Authorization Server Issue Exposes Systems to XSS and SSRF Attacks
A critical vulnerability, tracked as CVE-2026-22752, has been disclosed in Spring Security Authorization Server, affecting organizations running Dynamic Client Registration endpoints. The flaw allows attackers to inject malicious client metadata, potentially leading to Stored Cross-Site Scripting (XSS), Privilege Escalation, and Server-Side Request Forgery (SSRF) attacks. The vulnerability was responsibly reported by security researcher Kelvin Mbogo and officially disclosed…
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BKA Identifies REvil Leaders Behind 130 German Ransomware Attacks
Germany’s Federal Criminal Police Office (aka BKA or the Bundeskriminalamt) has unmasked the real identity of the main threat actors associated with the now-defunct REvil (aka Sodinokibi) ransomware-as-a-service (RaaS) operation.The threat actor, who went by the alias UNKN, functioned as a representative of the group, advertising the ransomware in June 2019 on the XSS cybercrime…
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Sample Malware Phone Back CC (Command and Control) MD5s From Domains Belonging to XSS Forum Users A Compilation
Dear blog readers, In my most recent analysis I decided to take a deeper look inside some of the domains which belong to members of the XSS forum are known to have been used as malicious software phone back C&C (command and control) domains. Here’s the compilation: 206.su 740d9cd8ea165302aa3cd7e6f198ea4c 23fefvdfmbhty5ouihksdfs.com c2a10312a002ad7de56237d9a419f2f8 adwords-limon.biz 7e2c95f6297d372820df8bea6ec10c42 astfv43kol.com c5d8a48579e8bc4a2ff1ac229d7da4bb…
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Stored XSS Bug Found in Jira Work Management
Collaboration platforms are central to modern enterprise workflows, handling everything from project tracking to internal communication. Their widespread use and deep integration into business processes make them attractive targets for attackers. New reporting from Cybersecurity News highlights a stored cross-site scripting vulnerability in Jira Work Management, a widely used project management platform from Atlassian. The…
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Stored XSS Vulnerability in Jira Work Management Could Enable Full Organization Takeover
Security researchers recently uncovered a critical stored Cross-Site Scripting (XSS) vulnerability within Atlassian’s Jira Work Management platform. This flaw allows an attacker with limited administrative permissions to execute a full organization takeover. Jira Work Management is heavily relied upon by corporate teams to track projects, manage approvals, and organize daily tasks. However, a failure to…
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Claude Extension Flaw Enabled Zero-Click XSS Prompt Injection via Any Website
Cybersecurity researchers have disclosed a vulnerability in Anthropic’s Claude Google Chrome Extension that could have been exploited to trigger malicious prompts simply by visiting a web page.The flaw “allowed any website to silently inject prompts into that assistant as if the user wrote them,” Koi Security researcher Oren Yomtov said in a report shared with…
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Claude Extension Flaw Enabled Zero-Click XSS Prompt Injection via Any Website
Cybersecurity researchers have disclosed a vulnerability in Anthropic’s Claude Google Chrome Extension that could have been exploited to trigger malicious prompts simply by visiting a web page.The flaw “allowed any website to silently inject prompts into that assistant as if the user wrote them,” Koi Security researcher Oren Yomtov said in a report shared with…
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PolyShell flaw exposes Magento and Adobe Commerce to file upload attacks
Sansec found a Magento and Adobe Commerce REST API flaw, named PolyShell, which allows unauthenticated file uploads and possible XSS in older versions. Sansec disclosed a critical flaw in the Magento and Adobe Commerce REST API that allows attackers to upload executable files without authentication. The issue affects versions up to 2.4.9-alpha2 and could also…
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The Invisible Breach: ‘Operation GhostMail’ Uses Zero-Click XSS to Hijack Ukrainian Webmail
The post The Invisible Breach: ‘Operation GhostMail’ Uses Zero-Click XSS to Hijack Ukrainian Webmail appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/invisible-breach-operation-ghostmail-zero-click-xss-ukraine/
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Russian APT targets Ukraine via Zimbra XSS flaw CVE-2025-66376
Russian APT exploits a critical XSS flaw in Zimbra, tracked as CVE-2025-66376, running scripts via HTML emails to target users in Ukraine. Russia-linked threat actor exploits a high-severity XSS vulnerability, tracked as CVE-2025-66376 (CVSS score of 7.2), in Zimbra Collaboration. Attackers exploited insufficiently sanitized HTML emails to run scripts when opened, targeting users in Ukraine.…
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CISA orders feds to patch Zimbra XSS flaw exploited in attacks
CISA has ordered U.S. government agencies to secure their servers against an actively exploited vulnerability in the Zimbra Collaboration Suite (ZCS). First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-zimbra-xss-flaw-exploited-in-attacks/
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Angular XSS Vulnerability Threatens Thousands of Web Applications
A high-severity Cross-Site Scripting (XSS) vulnerability, tracked as CVE-2026-32635, has been discovered in Angular, one of the world’s most widely used web application frameworks. This flaw resides in the Angular runtime and compiler and affects internationalisation (i18n) attribute bindings. If exploited, it allows threat actors to bypass built-in sanitisation mechanisms and cleanly inject malicious scripts…
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Angular i18n Flaw Lets Hackers Execute Malicious Code via Critical XSS Vulnerability
A high-severity security flaw has been discovered in Angular, one of the most popular web application frameworks. This vulnerability, tracked as CVE-2026-27970, affects the framework’s internationalization (i18n) pipeline. If exploited, it allows attackers to execute malicious code within an application, posing a significant risk to user data and application integrity. The Core of the Vulnerability…
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Stored XSS Vulnerability in RustFS Console Puts S3 Admin Credentials at Risk
A critical security flaw has been identified in the RustFS Console, exposing administrators to a high risk of account takeover. Tracked as CVE-2026-27822, this Stored Cross-Site Scripting (XSS) vulnerability carries a critical CVSS v3 score of 10.0 and affects versions of the Rust package before 1.0.0-alpha.82. The vulnerability allows an attacker to execute arbitrary JavaScript…
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Firefox 148 Unveils New Sanitizer API to Mitigate XSS Attacks in Web Applications
Firefox has launched a major update to help protect web applications from Cross-Site Scripting (XSS) attacks. With the release of Firefox 148, Mozilla introduces the new standardized Sanitizer API, making it the first browser to ship this built-in security tool. This new feature gives web developers an easy way to clean up untrusted code before…
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Multiple Zero-Day Flaws in PDF Platforms Enable XSS and One-Click Attacks
16 zero-day security flaws found in Foxit and Apryse PDF platforms could lead to account takeover and RCE. Learn how AI identified these risks. First seen on hackread.com Jump to article: hackread.com/zero-day-flaws-pdf-platforms-xss-one-click-attacks/
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Jenkins Vulnerabilities Exposes Build Environments to XSS Attacks
A popular open-source automation server used by developers worldwide to build, test, and deploy software faces serious security risks from recent flaws. On February 18, 2026, two vulnerabilities were detailed in the core Jenkins software. The most significant issue is a stored cross-site scripting (XSS) vulnerability that could allow attackers to inject malicious scripts into…
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Critical Jenkins Flaw Exposes Build Environments to XSS Attacks
A popular open-source automation server used by developers worldwide to build, test, and deploy software faces serious security risks from recent flaws. On February 18, 2026, two vulnerabilities were detailed in the core Jenkins software. The most critical issue is a stored cross-site scripting (XSS) vulnerability that could allow attackers to inject malicious scripts into…
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Critical Jenkins Flaw Exposes Build Environments to XSS Attacks
A popular open-source automation server used by developers worldwide to build, test, and deploy software faces serious security risks from recent flaws. On February 18, 2026, two vulnerabilities were detailed in the core Jenkins software. The most critical issue is a stored cross-site scripting (XSS) vulnerability that could allow attackers to inject malicious scripts into…
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XSS Bug in VS Code Extension Exposed Local Files
An XSS flaw in the VS Code Live Preview extension exposed developers’ local files and credentials through the localhost server. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/xss-bug-in-vs-code-extension-exposed-local-files/
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Flaws in four popular VS Code extensions left 128 million installs open to attack
Tags: access, api, attack, cloud, credentials, cve, flaw, infrastructure, malicious, microsoft, risk, supply-chain, tool, update, vulnerability, xssMicrosoft quietly patched its own extension: The fourth vulnerability played out differently. Microsoft’s Live Preview extension, with 11 million downloads, contained a cross-site scripting flaw that, according to OX Security, let a malicious web page enumerate files in the root of a developer’s machine and exfiltrate credentials, access keys, and other secrets.The researchers reported the…
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Zimbra Issues Security Update to Address XSS, XXE, and LDAP Injection Flaws
Zimbra has officially released a critical security update, version 10.1.16, addressing multiple high-severity vulnerabilities that could compromise email infrastructure and user data. The company has classified this patch with a >>High<< security severity rating, urging administrators to prioritize the upgrade to mitigate risks associated with web-based attacks. The update primarily focuses on closing gaps related…
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FortiSandbox XSS Vulnerability Allows Remote Command Execution
Fortinet disclosed an XSS flaw in FortiSandbox that could allow unauthenticated remote command execution. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/fortisandbox-xss-vulnerability-allows-remote-command-execution/
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Foxit Releases Security Updates for PDF Editor Cloud XSS Vulnerabilities
Foxit Software has released security updates addressing multiple cross-site scripting (XSS) vulnerabilities affecting Foxit PDF Editor Cloud and Foxit eSign, closing gaps that could have allowed attackers to execute arbitrary JavaScript within a user’s browser. The patches were issued as part of Foxit’s ongoing security and stability improvements, with the most recent update for Foxit PDF Editor Cloud released…
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StealC malware control panel flaw leaks details on active attacker
Researchers uncovered an XSS flaw in StealC malware’s control panel, exposing key details about a threat actor using the info stealer. StealC is an infostealer that has been active since at least 2023, sold as Malware-as-a-Service to steal cookies and passwords. In 2025, its operators released StealC v2, but the web panel quickly leaked and…
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CISA’s secure-software buying tool had a simple XSS vulnerability of its own
A researcher who discovered the vulnerability said it was fixed in December, after he first reported it to the agency in September. First seen on cyberscoop.com Jump to article: cyberscoop.com/cisa-secure-software-buying-tool-had-a-simple-xss-vulnerability-of-its-own/
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OWASP CRS Flaw Lets Encoded Attacks Slip Past WAFs
A critical OWASP CRS flaw allows encoded XSS attacks to bypass WAF charset validation. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/owasp-crs-flaw-lets-encoded-attacks-slip-past-wafs/