EUVD-2026-76156
GHSA-g7qf-5m6v-m9vh
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
Network-reachable action yielding arbitrary PHP execution gives C/I/A:H; kept PR:N and AC:L per the vector, though the required valid nonce is a real gating factor that could justify raising AC.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
SPIP before 4.4.18 contains a remote code execution vulnerability in the editer_objet action where the arg parameter resolves SQL table names without enforcing an editable columns allowlist, allowing attackers with a valid nonce to inject attacker-controlled rows into the spip_jobs table. Attackers can supply arg=job/0 with crafted fonction and args values, which are later unserialized and executed when the cron job queue is drained, resulting in arbitrary PHP function execution on the underlying system.
Articles & Coverage 1
AnalysisAI
Remote code execution in the SPIP CMS (all versions before 4.4.18) lets attackers holding a valid nonce inject rows into the internal spip_jobs cron table via the editer_objet action, ultimately executing arbitrary PHP. Because the arg parameter resolves SQL table names without an editable-columns allowlist, a crafted arg=job/0 request smuggles attacker-controlled fonction and args values that are unserialized and invoked when the job queue drains. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation targets the editer_objet action of a network-reachable SPIP instance running a version before 4.4.18, and requires the attacker to possess a valid nonce for that action; the request supplies arg=job/0 with attacker-chosen fonction and args fields to write into the spip_jobs table. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority issue, not a paper-tiger high score. … 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 to SPIP 4.4.18 or later (Vendor-released patch: 4.4.18), per the SPIP security bulletin 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: Inventory all SPIP deployments to identify instances running versions prior to 4.4.18 and assess their internet exposure; block external access to vulnerable instances if immediate patching is not feasible. …
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