EUVD-2026-76154
GHSA-8c85-4pqf-wfwj
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Public unauthenticated endpoint with no special conditions; scope unchanged as blind SQLi only reads the database without escaping to another system.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
SPIP before 4.4.18 contains an unauthenticated blind SQL injection vulnerability in the public sitemap endpoint where the MySQL escaper spip_mysql_cite() in ecrire/req/mysql.php returns values unescaped when the target column is a date type and the supplied value matches the pattern of a word character followed by an open parenthesis. Attackers can supply a crafted value such as a time-based payload through the annee parameter in squelettes-dist/sitemap.xml.html to embed arbitrary SQL directly into the generated query, enabling time-based and boolean-based blind SQL injection that can expose arbitrary database content including the alea_ephemere secret used to sign action nonces.
AnalysisAI
Unauthenticated blind SQL injection in SPIP's public sitemap endpoint (all versions before 4.4.18) allows remote attackers to extract arbitrary database contents without any credentials or prior authentication. The flaw resides in spip_mysql_cite() in ecrire/req/mysql.php, which silently omits escaping when the target column is a date type and the attacker-supplied value matches a word-character-followed-by-open-parenthesis pattern, permitting raw SQL embedding via the annee parameter of squelettes-dist/sitemap.xml.html. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication, no special configuration, and no non-default features are required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.7 with AV:N/AC:L/AT:N/PR:N/UI:N accurately reflects the no-authentication, zero-configuration nature of this attack: the sitemap endpoint is part of every default SPIP installation and requires no login to query. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade SPIP to version 4.4.18 or later, as detailed in the vendor's critical security advisory at https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-18.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all SPIP installations and immediately upgrade any systems running versions before 4.4.18 to version 4.4.18 or later. …
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External POC / Exploit Code
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