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CVE-2026-55661

2 advisories.

npm/tinacms CVE-2026-55661: medium, EPSS 0.40%

TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes

Action: Upgrade tinacms to 3.9.3 or later.

npm i tinacms@3.9.3

Affected

introducedfixedlast affected
03.9.3-

Fixed versions

3.9.3

Sources

CVE-2026-55661 · published · modified · JSON

npm/@tinacms/mdx CVE-2026-55661: medium, EPSS 0.40%

TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes

Action: Upgrade @tinacms/mdx to 2.1.7 or later.

npm i @tinacms/mdx@2.1.7

Affected

introducedfixedlast affected
02.1.7-

Fixed versions

2.1.7

Sources

CVE-2026-55661 · published · modified · JSON