Kirby: Cross-site scripting (XSS) from incomplete HTML/XML sanitization in `Dom::sanitize()`

TL;DR This vulnerability affects Kirby sites and plugins that use the writer or list fields or that use $dom-sanitize, Sane::sanitize, Sane\Html::sanitize, Sane\Svg::sanitize, Sane\Xml::sanitize, Sane::sanitizeFile or $file-sanitizeContents with untrusted input. It was possible to inject maliciou...

GHSA-2VCC-5V34-9JC8 TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes

TinaCMS rich-text parsing and the default link/image renderers did not sanitize the url field on Slate link/image nodes. Content containing javascript: or data:text/html URLs — including case-variant, whitespace-padded, and control-character-obfuscated forms — is rendered into href/src and execut...

PT-2026-50723

Name of the Vulnerable Software and Affected Versions Kirby versions prior to 4.9.4 Kirby versions prior to 5.4.4 Description Kirby sites and plugins that process untrusted input using the writer or list fields, or specific sanitization methods, are subject to stored cross-site scripting XSS. XSS...

PT-2026-50737

Name of the Vulnerable Software and Affected Versions @tinacms/mdx versions prior to 2.1.7 tinacms versions prior to 3.9.3 Description Rich-text parsing and the default link/image renderers fail to sanitize the url field on Slate link/image nodes. This allows content containing javascript: or...

SUSE CVE-2026-32805

Romeo gives the capability to reach high code coverage of Go ≥1.20 apps by helping to measure code coverage for functional and integration tests within GitHub Actions. Prior to version 0.2.2, the sanitizeArchivePath function in webserver/api/v1/decoder.go lines 80-88 is vulnerable to a path...

PT-2026-50589

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description The terminal-server reverse proxy in backend/open webui/routers/terminals.py fails to properly confine the user-controlled path segment before forwarding it to an admin-configured terminal server...

aiohttp: CRLF injection in multipart headers

Summary Attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. Impact In the unlikely situation that an application is passing user-controlled strings into MultipartWriter.appendheaders=... or Payload.headers, the...

GHSA-M6QW-4CW2-HM4M aiohttp: CRLF injection in multipart headers

Summary Attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. Impact In the unlikely situation that an application is passing user-controlled strings into MultipartWriter.appendheaders=... or Payload.headers, the...

GHSA-76MC-F452-CXCM DOMPurify: Hook mutation of `data.allowedTags` / `data.allowedAttributes` permanently pollutes `DEFAULT_ALLOWED_TAGS` / `DEFAULT_ALLOWED_ATTR`

Hook mutation of data.allowedTags / data.allowedAttributes permanently pollutes DEFAULTALLOWEDTAGS / DEFAULTALLOWEDATTR CWE: CWE-501 Trust Boundary Violation — hook-scoped mutation leaks to global default sets via CWE-693 Protection Mechanism Failure — the default allow-list is silently widened f...

Trust Boundary Violation

Overview org.webjars.npm:dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Trust Boundary Violation in the sanitize function when handling DOM nodes from a different same-origin realm due to improper realm-bound instanceof checks. ...

org.webjars.npm:github-com-daichirata-vue-sanitize (0.2.2), org.webjars.npm:github-com-daichirata-vue-sanitize- (0.2.2) potentially affected by CVE-2026-53606 via org.webjars.npm:sanitize-html (2.7.0)

org.webjars.npm:sanitize-html MAVEN version 2.7.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.webjars.npm:sanitize-html and may be impacted: - org.webjars.npm:github-com-daichirata-vue-sanitize 0.2.2 -...

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 incomplete validation of URI schemes in attributes su...

7ghost (>=4.11.0, <=4.11.46), @21epub/text-block (>=0.0.1, <=1.2.1) +1961 more potentially affected by CVE-2026-53606 via sanitize-html (>=2.1.0, <=2.17.4)

sanitize-html NPM version =2.1.0, =4.11.0, =0.0.1, =5.0.2, =0.0.1, =1.0.0, =3.0.0, =1.3.0, =1.0.0, =1.38.0, =1.3.2, =1.7.1 and more Source cves: CVE-2026-53606 Source advisory: SNYK:JS-SANITIZEHTML-17337018...

CVE-2026-53606

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-44990

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of sanitize-html prior to 2.17.4 can turn attacker-controlled content inside a disallowed xmp element into live HTML or...

CVE-2026-53606

A CVE-2026-53606 entry concerns ApostropheCMS (Node.js) and its dependency sanitize-html. The issue arises in sanitize-html versions prior to 2.17.5, where allowedSchemesAppliedToAttributes (default: ['href','src','cite']) do not cover all URI-bearing attributes (e.g., action, formaction, data, p...

CVE-2026-53606 sanitize-html has an incomplete URI scheme validation that allows javascript: URIs through action, formaction, data, poster, and background attributes

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-53606

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-53606 sanitize-html has an incomplete URI scheme validation that allows javascript: URIs through action, formaction, data, poster, and background attributes

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-44990 Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of sanitize-html prior to 2.17.4 can turn attacker-controlled content inside a disallowed xmp element into live HTML or...