CVE-2026-52846

A flaw was found in Caddy, an extensible server platform. The stripHTML template function, intended to remove HTML tags from input, fails to reliably process certain malformed HTML. This oversight allows dangerous content to remain in the output, which, if subsequently rendered as HTML, can lead ...

CVE-2026-52846

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous...

CVE-2026-52846 Caddy: stripHTML template function bypass

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous...

CVE-2026-45617

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. In versions 10.25.7 and below, the built-in striphtml filter uses a regex containing four flawed lazy-quantified alternatives, leading to ReDoS via quadratic backtracking. When the input contains many script...

CVE-2026-44644

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. Versions 10.25.7 and below are vulnerable to XSS through a flaw in the striphtml filter logic. The striphtml filter is intended to remove HTML tags from a string before rendering, and is widely used as an XS...

EUVD-2026-37815

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. Versions 10.25.7 and below are vulnerable to XSS through a flaw in the striphtml filter logic. The striphtml filter is intended to remove HTML tags from a string before rendering, and is widely used as an XS...

CVE-2026-44644 LiquidJS's strip_html filter bypass via newline characters in HTML tags enables XSS

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. Versions 10.25.7 and below are vulnerable to XSS through a flaw in the striphtml filter logic. The striphtml filter is intended to remove HTML tags from a string before rendering, and is widely used as an XS...

GHSA-R7G9-XPMJ-5FCQ LiquidJS Vulnerable to ReDoS via Quadratic Backtracking in `strip_html` Filter Regex

Summary The built-in striphtml filter in liquidjs uses a regex containing four lazy-quantified alternatives. When the input contains many |||/g, '' The regex contains four lazy patterns: 1. 2. 3. 4. For an input like 'script'.repeatN, the engine encounters N starting positions. At each one it mus...

PT-2026-44156

Name of the Vulnerable Software and Affected Versions LiquidJS versions prior to 10.26.0 Description The built-in strip html filter uses a regular expression containing four flawed lazy-quantified alternatives. When processing input with numerous script, style, or !-- opener tokens that lack...

PT-2026-43458

Name of the Vulnerable Software and Affected Versions LiquidJS versions prior to 10.26.0 Description A flaw in the strip html filter logic allows for Cross-Site Scripting XSS. The filter is designed to remove HTML tags from strings to act as a sanitizer; however, it uses a regular expression wher...

Cross-site Scripting (XSS)

Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the DisallowedRawHtml extension when a newline, tab, or...