CVE-2025-71241

MEDIUM 6.1

SPIP < 4.3.6 Cross-Site Scripting in Private Area

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

SPIP before 4.3.6, 4.2.17, and 4.1.20 allows Cross-Site Scripting (XSS) in the private area. The content of the error message displayed by the 'transmettre' API is not properly sanitized, allowing an attacker to inject malicious scripts. This vulnerability is mitigated by the SPIP security screen.

CWE	CWE-79
Vendor	spip
Product	spip
Published	Feb 19, 2026
Last Updated	Mar 5, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

SPIP / SPIP

4.1.0 < 4.1.20 4.2.0 < 4.2.17 4.3.0 < 4.3.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

blog.spip.net: https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-3-6-SPIP-4-2-17-SPIP-4-1-20.html git.spip.net: https://git.spip.net/spip/spip vulncheck.com: https://www.vulncheck.com/advisories/spip-cross-site-scripting-in-private-area

Credits

Glop Tom Mika