CVE-2026-26223

MEDIUM

SPIP 4.4.0-4.4.7 - Cross-Site Scripting via Iframe Tag Injection in Private Area

Title source: llm

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.

References (3)

Core 3

Core References

Various Sources vendor-advisory patch

https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-8.html

Various Sources product

https://git.spip.net/spip/spip

Third Party Advisory third-party-advisory

https://www.vulncheck.com/advisories/spip-cross-site-scripting-via-iframe-tags-in-private-area

Scores

CVSS v3 6.1

EPSS 0.0019

EPSS Percentile 8.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

spip/spip 4.4.0 - 4.4.8

Published Feb 19, 2026

Tracked Since Feb 19, 2026