PT-2026-53732

Name of the Vulnerable Software and Affected Versions JavaScript::Minifier::XS versions prior to 0.16 Description A NULL pointer dereference occurs when the first meaningful token of the input is a slash. The issue resides in the JsTokenizeString function within the XS.xs file, where the regexp...

CVE-2026-56018: Missing Release of Memory after Effective Lifetime

JavaScript::Minifier::XS versions before 0.16 for Perl leak memory on every call to minify, allowing unbounded memory growth. In JsMinify XS.xs the cleanup frees only the NodeSet structures and never the per-token contents buffers allocated in JsSetNodeContents; JsDiscardNode unlinks nodes withou...

Malicious npm Packages Pose as PostCSS Tools to Deliver Windows RAT

Cybersecurity researchers have discovered a set of malicious npm packages that are designed to deliver a Windows-based remote access trojan RAT. The list of identified packages, is below - aes-decode-runner-pro 145 downloads postcss-minify-selector 256 downloads postcss-minify-selector-parser 615...

MAL-2026-5837 Malicious code in postcss-minify-selector (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1bc7341d6762a6209e4bde3d99f31f1a8650b6971e64a19547b9f35e7a51abb3 Package is published as postcss-minify-selector singular but its internal postcss plugin identifier is postcss-minify-selectors plural — the canonica...

Malicious code in postcss-minify-selector-parser (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 957f5cbb74f4dd4b4770e8c9cc1a8aac88a4450cb01dbc0fa5242c42e343f54c The package name impersonates the widely-used postcss-selector-parser library which it also declares as a dependency and re-exports verbatim from...

WordPress Speed Optimizer plugin < 7.7.9 - Unauthenticated Stored XSS via Minify Library vulnerability

Unauthenticated Stored XSS via Minify Library vulnerability discovered by Matthew Rollings in WordPress Plugin Speed Optimizer versions 7.7.9...

WordPress Clearfy Cache plugin < 2.4.2 - Unauthenticated Stored XSS via Minify Library vulnerability

Unauthenticated Stored XSS via Minify Library vulnerability discovered by Matthew Rollings in WordPress Plugin Clearfy Cache versions 2.4.2...

WordPress Autoptimize plugin < 3.1.15 - Unauthenticated Stored XSS via Minify Library vulnerability

Unauthenticated Stored XSS via Minify Library vulnerability discovered by Matthew Rollings in WordPress Plugin Autoptimize versions 3.1.15...

CVE-2026-3220 Multiple Plugins - Unauthenticated Stored XSS via Minify Library

The Autoptimize WordPress plugin before 3.1.15, Clearfy Cache WordPress plugin before 2.4.2, Speed Optimizer WordPress plugin before 7.7.9 are vulnerable to unauthenticated Stored Cross-Site Scripting XSS due to a predictable replacement hash used during the HTML minification process and abusing ...

CVE-2026-3220

The Autoptimize (before 3.1.15), Clearfy Cache (before 2.4.2), and Speed Optimizer (before 7.7.9) WordPress plugins are vulnerable to unauthenticated Stored Cross-Site Scripting (XSS) . The root cause is a predictable replacement hash used during the HTML minification process combined with the ab...

CVE-2026-7252: Improper Limitation of a Pathname to a Restricted Directory

The WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the unscheduledoriginalfiledeletion function in all versions up to, and including, 4.5.2 Th...

Prototype Pollution

Overview icu-minify is an ICU message format compiler with a 1KB runtime bundle footprint Affected versions of this package are vulnerable to Prototype Pollution in the setNestedProperty function when processing translation catalog keys containing reserved properties such as proto, constructor, o...

GHSA-R27J-894H-3W3P mcp-data-vis vulnerable to denial of service via unsanitized `select` key lookup on `Object.prototype` with `precompile: true`

Summary icu-minify's runtime formatter resolves select branches by looking up the runtime value as a plain property on a prototype-bearing object. When the value coerces to a key that exists on Object.prototype e.g. toString, proto, constructor, hasOwnProperty, valueOf, the lookup returns a truth...

Prototype Pollution

Overview icu-minify is an ICU message format compiler with a 1KB runtime bundle footprint Affected versions of this package are vulnerable to Prototype Pollution via the formatSelect function. An attacker can cause the application to crash and trigger a server error by supplying specially crafted...

mcp-data-vis vulnerable to denial of service via unsanitized `select` key lookup on `Object.prototype` with `precompile: true`

Summary icu-minify's runtime formatter resolves select branches by looking up the runtime value as a plain property on a prototype-bearing object. When the value coerces to a key that exists on Object.prototype e.g. toString, proto, constructor, hasOwnProperty, valueOf, the lookup returns a truth...

WordPress AEH Speed Optimization: Browser Cache, Optimized Minify, Lazy Loading & Image Optimization plugin <= 2.9.2 - Unauthenticated Reflected Cross-Site Scripting vulnerability

Unauthenticated Reflected Cross-Site Scripting vulnerability discovered by Asaf Mozes in WordPress Plugin Add Expires Headers & Optimized Minify versions = 2.9.2...

CVE-2026-7040

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

CVE-2026-7040

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

CVE-2026-7040

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...

CVE-2026-7040 Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have heap overflow when processing some malformed UTF-8 characters

Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minifyutf8 function is an alias for minify...