Vulnerability Description
SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Spip | Spip | >= 4.4.0, < 4.4.9 |
Related Weaknesses (CWE)
References
- https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.htmlVendor AdvisoryRelease Notes
- https://git.spip.net/spip/spipProduct
- https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicThird Party Advisory
FAQ
What is CVE-2026-27473?
CVE-2026-27473 is a vulnerability with a CVSS score of 6.4 (MEDIUM). SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an a...
How severe is CVE-2026-27473?
CVE-2026-27473 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27473?
Check the references section above for vendor advisories and patch information. Affected products include: Spip Spip.