PT-2026-21861 · WordPress · Spip Jeux Plugin

Valentin Lobstein + 1 · Published 2026-02-25 · Updated 2026-02-25 · CVE-2026-27746

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions SPIP jeux plugin versions prior to 4.1.1

Description The SPIP jeux plugin incorporates untrusted request parameters into HTML output without proper output encoding, which allows attackers to inject arbitrary script content into pages that render a jeux block. When a victim visits a crafted URL, the injected content is reflected into the response and executed in the victim's browser context. This is a reflected cross-site scripting (XSS) issue located in the pre propre pipeline.

Recommendations Update the SPIP jeux plugin to version 4.1.1 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-27746

Affected Products

Spip Jeux Plugin

References · 9

• 🔥 https://chocapikk.com/posts/2026/spip-plugins-vulnerabilities · Exploit
• https://osv.dev/vulnerability/CVE-2026-27746 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27746 · Security Note
• https://git.spip.net/spip-contrib-extensions/jeux/-/commit/3d240cffb258491acd72f8b37579e8a7417740ff · Patch
• https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html · Vendor Advisory
• https://plugins.spip.net/jeux · Note
• https://t.me/CVEtracker/45687 · Telegram Post
• https://twitter.com/CVEnew/status/2026641359625408921 · Twitter Post
• https://vulncheck.com/advisories/spip-jeux-reflected-xss-via-index-parameters · Note