spip: SPIP before 4.4.8 allows cross-site scripting (XSS) in the private area via malicious iframe tags
CVE-2026-26223 is fixed in spip on 1 platform, first by DEBIAN-CVE-2026-26223, released February 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.
SPIP before 4.4.8 allows cross-site scripting (XSS) in the private area via malicious iframe tags. The application does not properly sandbox or escape iframe content in the back-office, allowing an attacker to inject and execute malicious scripts. The fix adds a sandbox attribute to iframe tags in the private area. This vulnerability is not mitigated by the SPIP security screen.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| spip · Debian 13.5 (trixie) | 4.4.11+dfsg-0+deb13u1 | DEBIAN-CVE-2026-26223 | Feb 19, 2026 |
| spip · Debian 14 | 4.4.9+dfsg-1 | DEBIAN-CVE-2026-26223 | Feb 19, 2026 |
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