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CVE-2026-27743 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: February 25, 2026

SPIP referer_spam - SQL Injection

Published: February 25, 2026Updated: February 25, 2026Remote Exploitable

Overview

SPIP referer_spam plugin < 1.3.0 contains an unauthenticated SQL injection caused by direct interpolation of the url parameter in SQL LIKE clauses in referer_spam_ajouter and referer_spam_supprimer handlers, letting remote attackers execute arbitrary SQL queries without authorization.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Remote attackers can execute arbitrary SQL queries, potentially leading to data disclosure, modification, or full database compromise.

Mitigation

Update to version 1.3.0 or later.

References

https://chocapikk.com/posts/2026/spip-plugins-vulnerabilities/
https://git.spip.net/spip-contrib-extensions/referer_spam/-/commit/33682df73cd5f7e9c72d8c4d5088611fa2441683
https://plugins.spip.net/referer_spam.html
https://www.vulncheck.com/advisories/spip-referer-spam-unauthenticated-sql-injection

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-27743
Severity: Critical
CVSS Score: 9.8
Type: sql_injection
Status: unconfirmed

CWE

CWE-89

CVSS Metrics

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