Medium 6.1Published Feb 19, 2026

CVE-2026-26223SPIP before 4.4.8 allows cross-site scripting (XSS) in the private area via malicious iframe tags.

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

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 6.1 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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: Modified
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 4.4.8	NVD

References

https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-8.htmlrelease-notes, vendor-advisory
https://git.spip.net/spip/spipproduct
https://www.vulncheck.com/advisories/spip-cross-site-scripting-via-iframe-tags-in-private-areathird-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.