SPIP before 4.4.18 contains a server-side request forgery vulnerability in recuperer_url() in ecrire/inc/distant.php that follows up to 10 redirects without re-validating targets with valider_url_distante(). Authenticated attackers can supply a remote URL, such as a syndicated site feed or remote document, that redirects to internal or link-local addresses including cloud metadata endpoints.
https://www.vulncheck.com/advisories/spip-before-4.4.18-ssrf-via-http-redirects-in-recuperer-url
https://git.spip.net/spip/spip
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97876
https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-18.html
Published: 2026-10-12
Updated: 2026-10-12
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N
Severity: Medium
Base Score: 4.3
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
Severity: Medium