CVE-2026-26223

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.4 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N                                    

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.

Vulnerability Details

Published Date

February 19, 2026

Last Modified

February 24, 2026

CWE ID

CWE-79

Source

NVD

Vendor

SPIP

Product

SPIP

External References

https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-8.html
https://git.spip.net/spip/spip
https://www.vulncheck.com/advisories/spip-cross-site-scripting-via-iframe-tags-in-private-area

CVE-2026-26223

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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