What is CVE-2024-7954?

CVE-2024-7954 is a critical-severity vulnerability in Spip, classified under Eval Injection. CVSS score: 9.8/10. Published 2024-08-23.

How severe is CVE-2024-7954?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-7954 known to be exploited?

42 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Spip

CVE-2024-7954

The porte_plume plugin used by SPIP before 4.30-alpha2, 4.2.13, and 4.1.16 is vulnerable to an arbitrary code execution vulnerability. A remote and unauthenticated attacker can execute arbitrary PHP as the SPIP user by sending a crafted HTTP request.

Published 2024-08-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.901 (99.8th percentile), scored 2026-10-15.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.901 · newest: 0.901 · change: 0.000

Affected products

Spip — versions 4.3.0-alpha, 4.2.0, 4.1.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

vulncheck.com/advisories/spip-porte-plume (third-party-advisory)
blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-3-0-alpha2-SPIP… (vendor-advisory)
thinkloveshare.com/hacking/spip_preauth_rce_2024_part_1_the_feather/ (technical-description, exploit)

Frequently asked questions

What is CVE-2024-7954?: CVE-2024-7954 is a critical-severity vulnerability in Spip, classified under Eval Injection. CVSS score: 9.8/10. Published 2024-08-23.
How severe is CVE-2024-7954?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-7954 known to be exploited?: 42 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.