SPIP: Malicious scripts can be injected in private area

Summary

If you use SPIP, an attacker might be able to inject malicious scripts in the private area, potentially harming your users. This could lead to unauthorized actions or data theft. Update to the latest version to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
spip	spip	> 4.1.0 , <= 4.1.20	–
spip	spip	> 4.2.0 , <= 4.2.17	–
spip	spip	> 4.3.0 , <= 4.3.6	–

Original title

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 ...

Original description

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.

nvd CVSS3.1 6.1

nvd CVSS4.0 4.8

Vulnerability type

CWE-79 Cross-site Scripting (XSS)

https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-3-6-SPIP-4-2-17-S... Release Notes Vendor Advisory
https://git.spip.net/spip/spip Product
https://www.vulncheck.com/advisories/spip-cross-site-scripting-in-private-area Third Party Advisory