Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Spip | Spip | >= 4.4.0, < 4.4.8 |
Related Weaknesses (CWE)
References
- https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-8.htmlRelease NotesVendor Advisory
- https://git.spip.net/spip/spipProduct
- https://www.vulncheck.com/advisories/spip-cross-site-scripting-via-iframe-tags-iThird Party Advisory
FAQ
What is CVE-2026-26223?
CVE-2026-26223 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 at...
How severe is CVE-2026-26223?
CVE-2026-26223 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-26223?
Check the references section above for vendor advisories and patch information. Affected products include: Spip Spip.