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

Summary Under the default configuration, sanitize-html can turn attacker-controlled content inside a disallowed xmp element into live HTML or JavaScript. This is a sanitizer bypass in the default disallowedTagsMode: 'discard' path and can lead to stored XSS in applications that render sanitized...

PT-2026-41152

Name of the Vulnerable Software and Affected Versions sanitize-html version 2.17.3 Description A sanitizer bypass exists in the default configuration where the disallowedTagsMode: 'discard' path fails to properly handle the xmp element. Because xmp is not included in the nonTextTags list, its...

011xwztpjn (1.0.0), 02y9dg4qm3 (1.0.0) +11513 more potentially affected by CVE-2026-41239 via dompurify (>=1.0.10, <=3.3.3)

dompurify NPM version =1.0.10, =3.3.3 is affected by a known vulnerability. The following packages have a transitive dependency on dompurify and may be impacted: - 011xwztpjn 1.0.0 - 02y9dg4qm3 1.0.0 - 04tw75kmd9 1.0.0 - 0650teqqly 1.0.0 - 097oi25ils 1.0.0 - 0a0fpniotn 1.0.0 - 0c7j76u46q 1.0.0 -...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2135 more potentially affected by CVE-2026-41238 via dompurify (>=3.0.1, <=3.3.3)

dompurify NPM version =3.0.1, =0.3.96, =0.5.12, =0.3.33, =0.5.0, =0.4.71, =1.0.0, =1.5.1, =0.18.0-beta.0, =0.1.0-alpha.1, =0.1.0, =0.1.0, =0.0.0-dev-20240828032938, =0.2.8-experimental.0, =0.2.10 and more Source cves: CVE-2026-41238 Source advisory: SNYK:JS-DOMPURIFY-16132234...

@reldens/server-utils (0.48.0), @sap-ux/ui-components (>=2.1.4, <=2.1.10) +11 more potentially affected by CVE-2026-40186 via sanitize-html (2.17.2)

sanitize-html NPM version 2.17.2 is affected by a known vulnerability. The following packages have a transitive dependency on sanitize-html and may be impacted: - @reldens/server-utils 0.48.0 - @sap-ux/ui-components =2.1.4, =0.6.17, =0.3.16, =0.1.32, =0.0.31, =0.30.19, =1.0.0-alpha.5, =0.19.3,...

EUVD-2026-23110

sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements...

GHSA-9MRH-V2V3-XPFM sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

Summary Commit 49d0bb7 introduced a regression in sanitize-html that bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option. Entity-encoded HTML inside these elements passes through the sanitizer as decoded, unescaped HTML, allowing injection of arbitrary...

sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

Summary Commit 49d0bb7 introduced a regression in sanitize-html that bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option. Entity-encoded HTML inside these elements passes through the sanitizer as decoded, unescaped HTML, allowing injection of arbitrary...

@reldens/server-utils (0.48.0), @sap-ux/ui-components (>=2.1.4, <=2.1.10) +11 more potentially affected by CVE-2026-40186 via sanitize-html (2.17.2)

sanitize-html NPM version 2.17.2 is affected by a known vulnerability. The following packages have a transitive dependency on sanitize-html and may be impacted: - @reldens/server-utils 0.48.0 - @sap-ux/ui-components =2.1.4, =0.6.17, =0.3.16, =0.1.32, =0.0.31, =0.30.19, =1.0.0-alpha.5, =0.19.3,...

Cross-site Scripting (XSS)

Overview sanitize-html is a library that allows you to clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis Affected versions of this package are vulnerable to Cross-site Scripting XSS in sanitizeHtml, when entity-encoded text is present...

CVE-2026-40186

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186 ApostropheCMS: sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186

ApostropheCMS is affected by CVE-2026-40186 due to a regression in sanitize-html (commit 49d0bb7) that bypasses allowedTags for text inside nonTextTagsArray elements (textarea, option). Versions: the vulnerability exists in ApostropheCMS 4.28.0 via its sanitize-html dependency (2.17.1). The root ...

CVE-2026-40186

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186 ApostropheCMS: sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186 ApostropheCMS: sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186: Improper Neutralization of Input During Web Page Generation

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

ApostropheCMS 安全漏洞

ApostropheCMS is a full-stack content management system open source by Apostrophe Technologies. Version 4.28.0 of ApostropheCMS has a security vulnerability. This vulnerability stems from the sanitize-html package’s ability to bypass the allowedTags enforcement mechanism, potentially leading to...

PT-2026-33174

Name of the Vulnerable Software and Affected Versions ApostropheCMS versions prior to 4.29.0 sanitize-html version 2.17.1 Description A regression in the sanitize-html package allows a bypass of allowedTags enforcement for text within nonTextTagsArray elements, specifically textarea and option. T...

CVE-2026-33979

Express XSS Sanitizer is Express 4.x and 5.x middleware which sanitizes user input data in req.body, req.query, req.headers and req.params to prevent Cross Site Scripting XSS attack. A vulnerability has been identified in versions prior to 2.0.2 where restrictive sanitization configurations are...