SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-27372

SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled.

EXPLOIT ✓CRITICAL 9.8EPSS 99.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 99.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
99.68% probability · 100th percentile
Public exploits
1 in Exploit-DB · verified · first 20 June 2023
CISA KEV
Not listed
Weakness
CWE-502
Affected
spip/spip · debian/debian linux
Source
cve@mitre.org
EPSS trend
0%50%100%6 October 2026: 99.68%6 October 20266 October 2026

EPSS 99.7% since 6 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-51536source ↗SPIP v4.2.0 - Remote Code Execution (Unauthenticated)php · nuts7webapps20 June 2023yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.