Medium 6.4Published Feb 19, 2026

CVE-2026-27473SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area.

Updated under an hour ago (2026-10-19 07:30 UTC)

Does this affect you?

It affects spip. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for spip

Exploited in the last 30 days

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: 6.4 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

spip spip spip:spip	from 4.4.0 before 4.4.9	NVD

References

https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.htmlrelease-notes, vendor-advisory
https://git.spip.net/spip/spipproduct
https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sitesthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.