CVE-2026-41305

A flaw was found in PostCSS. This vulnerability allows a remote attacker to perform Cross-Site Scripting XSS by submitting specially crafted CSS. When PostCSS processes and re-stringifies this CSS for embedding within HTML sequences. This oversight enables the injected...

[SECURITY] Fedora 44 Update: nginx-mod-fancyindex-0.6.0-2.fc44

The Fancy Index module makes possible the generation of file listings, like the built-in autoindex module does, but adding a touch of style. This is possible because the module allows a certain degree of customization of the generated content: Custom headers. Either local or stored remotely. Cust...

Linux Distros Unpatched Vulnerability : CVE-2026-41305

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do...

NPM: PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

NPM: PostCSS has XSS via Unescaped in its CSS Stringify Output vulnerability discovered by ? in WordPress Npm postcss versions 8.5.10...

PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS: XSS via Unescaped in CSS Stringify Output Summary PostCSS v8.5.5 latest does not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS values breaks out of the style context, enabling XSS. Proof of Concept...

GHSA-QX2V-QP2M-JG93 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS: XSS via Unescaped in CSS Stringify Output Summary PostCSS v8.5.5 latest does not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS values breaks out of the style context, enabling XSS. Proof of Concept...

CVE-2026-31586

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

DEBIAN-CVE-2026-31586

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

CVE-2026-31586

Summary: CVE-2026-31586 is a Linux kernel use-after-free in blk-cgroup during cgwb_release_workfn. The vulnerability occurs when css_put(wb-&gt;blkcg_css) is followed by accessing wb-&gt;blkcg_css via blkcg_unpin_online(), which can free the blkcg asynchronously (css_free_rwork_fn -&gt; kfree) if...

EUVD-2026-25479

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

CVE-2026-31586 mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

Cross-site Scripting (XSS)

Overview postcss is a PostCSS is a tool for transforming styles with JS plugins. Affected versions of this package are vulnerable to Cross-site Scripting XSS in CSS Stringify Output. An attacker can execute arbitrary JavaScript code in the context of the affected web page by submitting crafted CS...

Cross-site Scripting (XSS)

Overview org.webjars.npm:postcss is a PostCSS is a tool for transforming styles with JS plugins. Affected versions of this package are vulnerable to Cross-site Scripting XSS in CSS Stringify Output. An attacker can execute arbitrary JavaScript code in the context of the affected web page by...

CVE-2026-41305 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

SUSE CVE-2026-6861

A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG Scalable Vector Graphics CSS Cascading Style Sheets data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial...

PT-2026-34938

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the function cgwb release workfn. The function calls css putwb-blkcg css and subsequently accesses wb-blkcg css again via blkcg unpin online. If css put...

CVE-2026-41305: Improper Neutralization of Input During Web Page Generation

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML in CSS value...