CVE-2025-4654 | Soumettre.fr <= 2.1.5 - Improper Authorization to Unauthenticated Soumettre Posts Creation/Modification/Deletion

The Soumettre.fr plugin for WordPress is vulnerable to unauthorized access and modification of data due to a improper authorization checks on the make_signature function in all versions up to, and including, 2.1.5. This makes it possible for unauthenticated attackers to create/edit/delete Soumettre posts. This vulnerability affects only installations where the soumettre account is not connected (i.e. API key is not installed)

Published: 2025-07-02 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-4654 is rated Low Risk (19.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.23%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-4654

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.26% 0.23% -0.04%
2 2026-04-28 0.06% 0.26% +0.20%
3 2025-07-08 0.06%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-4654

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.7 3.1 LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.2 1.4 [email protected]

Weakness enumeration for CVE-2025-4654

Affected software / configurations for CVE-2025-4654

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-4654

cvelogic Threat Intelligence