CVE-2023-27372

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-02-28. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 100%
CISA-KEV: Not listedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled. The fixed versions are 3.2.18, 4.0.10, 4.1.8, and 4.2.1.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
99(Attend)
EG Risk 99/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.9%
KEV
Not listed

Published

February 28, 2023

Last Modified

March 11, 2025

Advisory Details (5)

Auto-updated Jul 18, 2026
No patch confirmed yet.
generic

Overload

https://git.spip.net/spip/spip/commit/5aedf49b89415a4df3eb775eee3801a2b4b88266
generic

Mise à jour critique de sécurité : sortie de SPIP 4.2.1, SPIP 4.1.8, SPIP (…) - SPIP Blog

https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-2-1-SPIP-4-1-8-SPIP-4-0-10-et.html
generic

Packet Storm Security

http://packetstormsecurity.com/files/171921/SPIP-Remote-Command-Execution.html
generic

[SECURITY] [DSA 5367-1] spip security update

https://www.debian.org/security/2023/dsa-5367
generic

Overload

https://git.spip.net/spip/spip/commit/96fbeb38711c6706e62457f2b732a652a04a409d

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuspip (3.1.4-4~deb9u5ubuntu0.1~esm2) @ bionic2026-05-25ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 10× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 02:20 UTCEG score recompute
  2. 2026-07-22 23:08 UTCEG score recompute
  3. 2026-07-19 14:29 UTCEPSS rescore
  4. 2026-07-19 14:29 UTCEPSS rescore
  5. 2026-07-18 10:03 UTCEPSS rescore
  6. 2026-07-18 10:03 UTCEPSS rescore
  7. 2026-07-16 04:49 UTCOSV refresh
  8. 2026-06-28 14:06 UTCEPSS rescore
  9. 2026-06-28 14:06 UTCEPSS rescore
  10. 2026-06-28 04:34 UTCOSV refresh
  11. 2026-06-18 17:51 UTCEPSS rescore
  12. 2026-06-18 17:51 UTCEPSS rescore
  13. 2026-06-15 17:47 UTCEPSS rescore
  14. 2026-06-10 15:17 UTCOSV refresh
  15. 2026-06-10 13:21 UTCEPSS rescore
  16. 2026-06-10 13:21 UTCEPSS rescore
  17. 2026-06-06 13:46 UTCEPSS rescore
  18. 2026-06-06 13:46 UTCEPSS rescore
  19. 2026-06-02 20:12 UTCEPSS rescore
  20. 2026-06-02 20:12 UTCEPSS rescore
  21. 2026-06-02 20:12 UTCEPSS rescore
  22. 2026-05-31 00:15 UTCEPSS rescore
  23. 2026-05-31 00:15 UTCEPSS rescore
  24. 2026-05-28 13:43 UTCEPSS rescore
  25. 2026-05-28 13:43 UTCEPSS rescore
Show 7 more
  1. 2026-05-27 13:39 UTCEPSS rescore
  2. 2026-05-27 13:39 UTCEPSS rescore
  3. 2026-05-26 13:43 UTCEPSS rescore
  4. 2026-05-26 13:43 UTCEPSS rescore
  5. 2026-05-25 05:59 UTCEG score recompute
  6. 2026-05-25 05:59 UTCVendor advisory
  7. 2026-05-25 05:59 UTCGHSA enrichment

Publicly available exploits

(9 references)

Working exploit code is in the public domain (1 Metasploit module) (6 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoC1Ronkkeli/spip-cve-2023-27372-rce
    First seen Apr 28, 2025

    SPIP CVE-2023-27372 Unauthenticated RCE Exploit (Web Shell Upload)

    Open source ↗
  • GitHub PoCAp0dexMe0/CVE-2023-27372
    First seen Jul 31, 2023

    Perform With Mass Remote Code Execution In SPIP Version (4.2.1)

    Open source ↗
  • GitHub PoCizzz0/CVE-2023-27372-POC
    First seen Jul 11, 2023

    CVE-2023-27372-SPIP-CMS-Bypass

    Open source ↗
  • GitHub PoC0SPwn/CVE-2023-27372-PoC
    First seen Jul 5, 2023

    This is a PoC for CVE-2023-27372 which spawns a fully interactive shell.

    Open source ↗
  • GitHub PoCChocapikk/CVE-2023-27372
    First seen Jun 25, 2023

    SPIP Vulnerability Scanner - CVE-2023-27372 Detector

    Open source ↗
  • Exploit-DBEDB-51536✓ verified
    First seen Jun 20, 2023

    SPIP v4.2.0 - Remote Code Execution (Unauthenticated)

    Open source ↗
  • GitHub PoCnuts7/CVE-2023-27372
    First seen Jun 19, 2023

    SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled. The fixed versions are 3.2.18, 4.0.10, 4.1.8, and 4.2.1.

    Open source ↗
  • Metasploitexploit/multi/http/spip_rce_form✓ verified
    First seen Feb 27, 2023

    SPIP form PHP Injection

    Open source ↗
  • Nucleihttp/cves/2023/CVE-2023-27372.yaml
    First seen Jan 1, 2023

    SPIP - Remote Command Execution

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-27372?
CVE-2023-27372 is a critical vulnerability published on February 28, 2023. SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled. The fixed versions are 3.2.18, 4.0.10, 4.1.8, and 4.2.1.
When was CVE-2023-27372 disclosed?
CVE-2023-27372 was first published in the National Vulnerability Database on February 28, 2023, with the most recent update on March 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-27372 actively exploited?
CVE-2023-27372 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-27372?
CVE-2023-27372 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-27372?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27372, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-27372

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