NPM: ApostropheCMS: Mutation-XSS / allowedTags bypass via literal `</textarea/>` solidus close

NPM: ApostropheCMS: Mutation-XSS / allowedTags bypass via literal solidus close vulnerability discovered by ? in WordPress Npm sanitize-html versions = 2.17.5...

ApostropheCMS: Mutation-XSS / allowedTags bypass via literal `</textarea/>` solidus close

Summary A mutation-XSS / allowedTags bypass: when textarea or xmp is included in allowedTags, an input containing a literal a solidus right after the RCDATA end-tag name lets non-allowed markup such as pass through sanitizeHtml live and unescaped, even though img/onerror are not in the allowlist....

EUVD-2026-60440

ApostropheCMS: Mutation-XSS / allowedTags bypass via literal solidus close...

NPM: ApostropheCMS: Missing destination-parent authorization in page `move()` allows a low-privileged editor to move and re-rank pages inside a restricted subtree

NPM: ApostropheCMS: Missing destination-parent authorization in page move allows a low-privileged editor to move and re-rank pages inside a restricted subtree vulnerability discovered by ? in WordPress Npm apostrophe versions = 4.31.0...

GHSA-WR5R-WQP2-X4FH ApostropheCMS: Missing destination-parent authorization in page `move()` allows a low-privileged editor to move and re-rank pages inside a restricted subtree

Summary ApostropheCMS enforces per-type authorization on pages: a page type may declare editRole / publishRole and the core @apostrophecms/archive-page does, so a project can have page-type subtrees that only higher-privileged roles are allowed to create or edit within. The move operation is...

EUVD-2026-60438

ApostropheCMS: Missing destination-parent authorization in page move allows a low-privileged editor to move and re-rank pages inside a restricted subtree...

ApostropheCMS: Missing destination-parent authorization in page `move()` allows a low-privileged editor to move and re-rank pages inside a restricted subtree

Summary ApostropheCMS enforces per-type authorization on pages: a page type may declare editRole / publishRole and the core @apostrophecms/archive-page does, so a project can have page-type subtrees that only higher-privileged roles are allowed to create or edit within. The move operation is...

NPM: ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS

NPM: ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS vulnerability discovered by ? in WordPress Npm apostrophe versions = 4.32.0...

ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS

The vulnerability is a single-request persistent DoS by submitting e.g. "PATCH /api/v1/article/" with a valid editor session and body of "toString.call":"x", overwriting the global toString function with value x. Fabian...

EUVD-2026-60442

ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS...

GHSA-VMG4-6GFG-83QX ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS

The vulnerability is a single-request persistent DoS by submitting e.g. "PATCH /api/v1/article/" with a valid editor session and body of "toString.call":"x", overwriting the global toString function with value x. Fabian...

ApostropheCMS: Arbitrary file read via import-export attachment-name path traversal

Summary The @apostrophecms/import-export module reconstructs the on-disk source path of every imported attachment from JSON metadata contained in the uploaded archive. The archive carries an aposAttachments.json file whose name and extension fields are concatenated into a filesystem path with no...

GHSA-79QF-VQGC-7XX3 ApostropheCMS: Arbitrary file read via import-export attachment-name path traversal

Summary The @apostrophecms/import-export module reconstructs the on-disk source path of every imported attachment from JSON metadata contained in the uploaded archive. The archive carries an aposAttachments.json file whose name and extension fields are concatenated into a filesystem path with no...

EUVD-2026-60441

ApostropheCMS: Arbitrary file read via import-export attachment-name path traversal...

CVE-2026-84371

A flaw was found in sanitize-html. Improper validation of the animation value attributes in SVG files allows an attacker to bypass scheme filters and embed a malicious script destination within a list of values. When a user interacts with the rendered SVG animation, the embedded script executes i...

NPM: ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass

NPM: ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass vulnerability discovered by ? in WordPress Npm sanitize-html versions = 1.9.0, = 2.17.6...

ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass

Summary When SVG animation is allowed, attributeName="href" makes values a list of URL destinations. sanitize-html accepts a list that starts with a safe fragment even when values is explicitly scheme-checked, allowing a later javascript: destination to execute when the sanitized link is activate...

GHSA-G8QQ-57P8-GGW5 ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass

Summary When SVG animation is allowed, attributeName="href" makes values a list of URL destinations. sanitize-html accepts a list that starts with a safe fragment even when values is explicitly scheme-checked, allowing a later javascript: destination to execute when the sanitized link is activate...

CVE-2026-84371

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From version 1.9.0 until version 2.17.7, packages/sanitize-html/index.js validates an animation value attribute as one flat URL and does not recognize that...

CVE-2026-84371 ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From version 1.9.0 until version 2.17.7, packages/sanitize-html/index.js validates an animation value attribute as one flat URL and does not recognize that...