SPIP before 4.2.15 allows Cross-Site Scripting (XSS) via crafted content in HTML code tags. The application does not properly verify JavaScript within code tags, allowing an attacker to inject malicious scripts that execute in a victim's browser.
https://www.vulncheck.com/advisories/spip-cross-site-scripting-via-code-tags
https://git.spip.net/spip/spip
https://blog.spip.net/Mise-a-jour-de-maintenance-et-securite-sortie-de-SPIP-4-2-15.html
Published: 2026-02-19
Updated: 2026-02-19
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 4.8
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Severity: Medium