CVE-2026-27474

MEDIUM

6.1

Description

SPIP before 4.4.9 allows Cross-Site Scripting (XSS) in the private area, complementing an incomplete fix from SPIP 4.4.8. The echappe_anti_xss() function was not systematically applied to input, form, button, and anchor (a) HTML tags, allowing an attacker to inject malicious scripts through these elements. This vulnerability is not mitigated by the SPIP security screen.

CVE Details

CVSS v3.1 Score6.1

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published2/19/2026

Last Modified3/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

spip:spip

Weaknesses (CWE)

CWE-79

References

https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html(disclosure@vulncheck.com)

https://git.spip.net/spip/spip(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/spip-cross-site-scripting-in-private-area-incomplete-fix(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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