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...

CVE-2026-44990

CVE-2026-44990 affects the sanitize-html package used with ApostropheCMS. Under default configuration (disallowedTagsMode: 'discard'), versions before 2.17.4 allow attacker-controlled content inside a disallowed xmp element to bypass sanitization and render as live HTML/JS, enabling stored XSS. T...

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 HTM...

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...

CVE-2026-42853

Vulnerability: CVE-2026-42853 affects ApostropheCMS CLI (@apostrophecms/cli) versions up to 3.6.0. Description: command injection in the apos create flow caused by embedding unsanitized password-prompt input directly into a shell command, enabling arbitrary command execution on the host. Root cau...

CVE-2026-42853 @apostrophecms/cli: Command Injection in apos create via Unsanitized Password Input

ApostropheCMS is an open-source Node.js content management system. Versions of the @apostrophecms/cli package up to and including 3.6.0 contain a command injection vulnerability in the apos create command. User-supplied input from the password prompt is embedded directly into a shell command...

CVE-2026-42853 @apostrophecms/cli: Command Injection in apos create via Unsanitized Password Input

ApostropheCMS is an open-source Node.js content management system. Versions of the @apostrophecms/cli package up to and including 3.6.0 contain a command injection vulnerability in the apos create command. User-supplied input from the password prompt is embedded directly into a shell command...

CVE-2026-42853 @apostrophecms/cli: Command Injection in apos create via Unsanitized Password Input

ApostropheCMS is an open-source Node.js content management system. Versions of the @apostrophecms/cli package up to and including 3.6.0 contain a command injection vulnerability in the apos create command. User-supplied input from the password prompt is embedded directly into a shell command...

CVE-2026-45011: Improper Neutralization of Input During Web Page Generation

ApostropheCMS is an open-source Node.js content management system. Version 4.29.0 has a stored cross-site scripting vulnerability in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to...

CVE-2026-44990: Improper Neutralization of Input During Web Page Generation

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-2026-53609: Improperly Controlled Modification of Object Prototype Attributes

ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, apos.util.set traverses dot-notation paths without sanitizing proto, allowing an authenticated editor to write arbitrary values to Object.prototype via the $pullAll patch operator. A confirm...

CVE-2026-45013: Improper Input Validation

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 have a password reset flow that constructs the reset URL using req.hostname, which is derived directly from the attacker-controlled HTTP Host header when apos.baseUrl is not explicitly configure...

CVE-2026-53607: Server-Side Request Forgery (SSRF)

ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, when prettyUrls: true is enabled on @apostrophecms/file a documented SEO feature for serving uploaded files at clean URLs, the public pretty-URL handler builds the upstream URL using the raw...

PT-2026-48991

Name of the Vulnerable Software and Affected Versions ApostropheCMS versions prior to 4.31.0 Description When the prettyUrls: true setting is enabled on the @apostrophecms/file module, the public pretty-URL handler constructs an upstream URL using the raw Host HTTP request header. This URL is the...

CVE-2026-45014: Improper Neutralization of Input During Web Page Generation

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 are vulnerable to stored cross-site scripting via unsanitized user display name in draft version tooltip. As of time of publication, no known patched versions are available...

CVE-2026-53608: Improper Neutralization of Input During Web Page Generation

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 1.4.2 of the @apostrophecms/seo package injects the Google Analytics Tracking ID seoGoogleTrackingId and Google Tag Manager ID seoGoogleTagManager directly into...

PT-2026-49005

Name of the Vulnerable Software and Affected Versions @apostrophecms/seo versions prior to 1.4.3 Description Stored Cross-Site Scripting XSS occurs when the @apostrophecms/seo package injects the Google Analytics Tracking ID seoGoogleTrackingId and Google Tag Manager ID seoGoogleTagManager direct...

CVE-2026-42853: Improper Neutralization of Special Elements used in an OS Command

ApostropheCMS is an open-source Node.js content management system. Versions of the @apostrophecms/cli package up to and including 3.6.0 contain a command injection vulnerability in the apos create command. User-supplied input from the password prompt is embedded directly into a shell command...

PT-2026-48984

Name of the Vulnerable Software and Affected Versions ApostropheCMS versions prior to 4.29.1 Description ApostropheCMS, an open-source Node.js content management system, contains a stored cross-site scripting issue. This occurs because the user display name is not properly sanitized when displaye...

PT-2026-49006

Name of the Vulnerable Software and Affected Versions ApostropheCMS versions prior to 4.30.1 Description A prototype pollution issue exists in the apos.util.set function, which traverses dot-notation paths without sanitizing the proto property. This allows an authenticated editor to write arbitra...