WordPress Vex theme < 1.2.9 - PHP Object Injection vulnerability

published 2026-03-25 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-15684

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in rascals Vex vex allows Object Injection.This issue affects Vex: from n/a through < 1.2.9.

Patch / fix

fixed in 1

rascals Vex 1.2.9

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 7 mo ago (2026-03-26)

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

rascals Vex

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Theme/vex/vulnerability/wordpress-vex-theme-1-2-9-php-object-injection-vulnerability?_s_id
vdb-entry

Sources

CVE List CVE-2026-25360
NVD CVE-2026-25360

Fencer Vulns 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.

Summary