CVE-2026-33889
1 advisory.
npm/apostrophe CVE-2026-33889: medium 5.4
ApostropheCMS: Stored XSS via CSS Custom Property Injection in @apostrophecms/color-field Escaping Style Tag Context
Action: Upgrade apostrophe to 4.29.0 or later.
npm i apostrophe@4.29.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.29.0 | - |
Fixed versions
| 4.29.0 |
Sources
- osv: GHSA-97v6-998m-fp4g
- https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-97v6-998m-fp4g
- https://nvd.nist.gov/vuln/detail/CVE-2026-33889
- https://github.com/apostrophecms/apostrophe/commit/6a89bdb7acdb2e1e9bf1429961a6ba7f99410481
- https://github.com/apostrophecms/apostrophe
CVE-2026-33889 · published · modified · JSON