GHSA-2vcc-5v34-9jc8
NoneCVSS
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EPSS
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Published
Jun 18, 2026
CISA due date
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The record
TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | @tinacms/mdx | 0 | 2.1.7 |
| npm | tinacms | 0 | 3.9.3 |
Related vulnerabilities
- CVE-2026-55661 Tina is a headless content management system. Same vulnerability
- GHSA-g5qx-h5f3-mp2f TinaCMS: Cross-origin postMessage handlers and rich-text URL-sanitization bypass enable… Also affects tinacms
- GHSA-5hxf-c7j4-279c Tina: Path Traversal in Media Upload Handle Also affects tinacms
- CVE-2026-28791 Tina is a headless content management system. Also affects tinacms
- GHSA-529f-9qwm-9628 tinacms is vulnerable to arbitrary code execution Also affects tinacms
- CVE-2025-68278 Tina is a headless content management system. Also affects tinacms
- CVE-2026-96379 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")… CWE-79
- CVE-2026-96382 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")… CWE-79