Medium severity6.1NVD Advisory· Published Feb 19, 2026· Updated Jun 17, 2026
CVE-2026-27474
CVE-2026-27474
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.
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Affected products
3Patches
Vulnerability mechanics
References
2- blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.htmlnvdRelease NotesVendor Advisory
- www.vulncheck.com/advisories/spip-cross-site-scripting-in-private-area-incomplete-fixnvdThird Party Advisory
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