WordPress WOOEXIM Plugin <= 5.0.0 - PHP Object Injection vulnerability

published 2025-01-22 last yr. modified 2026-06-17 4mo ago also EUVD-2025-3558

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in bulktheme WOOEXIM wooexim allows Object Injection.This issue affects WOOEXIM: from n/a through <= 5.0.0.

Is CVE-2025-23944 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: last yr. (2025-01-22)

Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

bulktheme WOOEXIM

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/wooexim/vulnerability/wordpress-wooexim-plugin-5-0-0-php-object-injection-vulnerabi
vdb-entry

Sources

CVE List CVE-2025-23944
NVD CVE-2025-23944

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.