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CVE-2026-27744

CRITICAL

9.8

Description

The SPIP tickets plugin versions prior to 4.3.3 contain an unauthenticated remote code execution vulnerability in the forum preview handling for public ticket pages. The plugin appends untrusted request parameters into HTML that is later rendered by a template using unfiltered environment rendering (#ENV**), which disables SPIP output filtering. As a result, an unauthenticated attacker can inject crafted content that is evaluated through SPIP's template processing chain, leading to execution of code in the context of the web server.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/25/2026

Derniere modification2/27/2026

Sourcenvd

Observations honeypot0

Produits affectes

spip:tickets

Faiblesses (CWE)

CWE-94

References

https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html(disclosure@vulncheck.com)

https://chocapikk.com/posts/2026/spip-plugins-vulnerabilities/(disclosure@vulncheck.com)

https://git.spip.net/spip-contrib-extensions/tickets/-/commit/869935b6687822ed79ad5477626a664d8ea6dcf7(disclosure@vulncheck.com)

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

https://www.vulncheck.com/advisories/spip-tickets-unauthenticated-rce(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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