CVE-2026-47344

When ALLOWINSECURERAWTEXT is enabled, whitespace-variant closing tags e.g., are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitiz...

CVE-2026-47344

When ALLOWINSECURERAWTEXT is enabled, whitespace-variant closing tags e.g., are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitiz...

CVE-2026-47344

When ALLOWINSECURERAWTEXT is enabled, whitespace-variant closing tags e.g., are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitiz...

CVE-2026-47344 TYPO3 HTML Sanitizer allows Cross-Site Scripting

When ALLOWINSECURERAWTEXT is enabled, whitespace-variant closing tags e.g., are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitiz...

CVE-2026-47344 TYPO3 HTML Sanitizer allows Cross-Site Scripting

When ALLOWINSECURERAWTEXT is enabled, whitespace-variant closing tags e.g., are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitiz...

CVE-2026-47344

TYPO3 HTML Sanitizer (typo3/html-sanitizer) vulnerability CVE-2026-47344 affects versions before 2.3.2. When ALLOW_INSECURE_RAW_TEXT is enabled, whitespace-variant closing tags (e.g., ) are not recognized by the sanitizer but browsers accept them as valid end tags, allowing subsequent content to ...

CVE-2026-47344 TYPO3 HTML Sanitizer allows Cross-Site Scripting

When ALLOWINSECURERAWTEXT is enabled, whitespace-variant closing tags e.g., are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitiz...

PT-2026-47448

Name of the Vulnerable Software and Affected Versions typo3/html-sanitizer versions prior to 2.3.2 Description When the ALLOW INSECURE RAW TEXT setting is enabled, the sanitizer fails to recognize closing tags containing whitespace variants, such as . Because browsers interpret these as valid end...

HTMLSanitizer 跨站脚本漏洞

HTMLSanitizer is an HTML formatting software open source by JuliaHub. Versions of HTMLSanitizer prior to 2.3.2 had a cross-site scripting vulnerability. This vulnerability occurred when ALLOWINSECURERAWTEXT was enabled, resulting in blank variant closing tags being ignored, which could lead to...

NPM: Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`

NPM: Apostrophe has default XSS via xmp raw-text passthrough in sanitize-html vulnerability discovered by ? in WordPress Npm sanitize-html versions 2.17.3...

SUSE CVE-2026-0540

DOMPurify 3.1.3 through 3.3.1 and 2.5.3 through 2.5.8, fixed in commit 2726c74, contain a cross-site scripting vulnerability that allows attackers to bypass attribute sanitization by exploiting five missing rawtext elements noscript, xmp, noembed, noframes, iframe in the SAFEFORXML regex. Attacke...

Cross-site Scripting (XSS)

Overview justhtml is an A pure Python HTML5 parser that just works. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the serialization process of raw-text elements such as script and style when a custom sanitization policy retains these elements. An attacker can...

JustHTML Affected by Mutation XSS via Literal Text Serialization in Raw Text Elements (style/script)

Summary Sanitized DOM trees can be unsafe to serialize when a custom policy allows raw-text elements such as or . The issue affects DOM trees that are constructed or modified programmatically and then passed through sanitizedom with a policy that keeps these elements. Text nodes inside and are...

GHSA-QVC2-MG72-JJHX JustHTML Affected by Mutation XSS via Literal Text Serialization in Raw Text Elements (style/script)

Summary Sanitized DOM trees can be unsafe to serialize when a custom policy allows raw-text elements such as or . The issue affects DOM trees that are constructed or modified programmatically and then passed through sanitizedom with a policy that keeps these elements. Text nodes inside and are...

Cross-site Scripting (XSS)

Overview ammonia is a whitelist-based HTML sanitization library. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the cleaning process when handling embedded svg or math tags. An attacker can execute arbitrary scripts in the context of the affected application by...

GHSA-MM7X-QFJJ-5G2C Ammonia incorrectly handles embedded SVG and MathML leading to mutation XSS after removal

Affected versions of this crate did not correctly strip namespace-incompatible tags in certain situations, causing it to incorrectly account for differences between HTML, SVG, and MathML. This vulnerability only has an effect when the svg or math tag is allowed, because it relies on a tag being...

Ammonia incorrectly handles embedded SVG and MathML leading to mutation XSS after removal

Affected versions of this crate did not correctly strip namespace-incompatible tags in certain situations, causing it to incorrectly account for differences between HTML, SVG, and MathML. This vulnerability only has an effect when the svg or math tag is allowed, because it relies on a tag being...

RUSTSEC-2025-0071 Incorrect handling of embedded SVG and MathML leads to mutation XSS after removal

Affected versions of this crate did not correctly strip namespace-incompatible tags in certain situations, causing it to incorrectly account for differences between HTML, SVG, and MathML. This vulnerability only has an effect when the svg or math tag is allowed, because it relies on a tag being...

Incorrect handling of embedded SVG and MathML leads to mutation XSS after removal

Affected versions of this crate did not correctly strip namespace-incompatible tags in certain situations, causing it to incorrectly account for differences between HTML, SVG, and MathML. This vulnerability only has an effect when the svg or math tag is allowed, because it relies on a tag being...

Cross-site Scripting (XSS)

Overview HtmlSanitizer is a Cleans HTML from constructs that can be used for cross site scripting XSS. Affected versions of this package are vulnerable to Cross-site Scripting XSS when it is configured to allow foreign content, specifically svg or math elements. Notes: 1 This is only exploitable ...