WordPress Extreme Store theme <= 1.5.10 - PHP Object Injection vulnerability

published 2026-02-20 8mo ago modified 2026-06-17 4mo ago also EUVD-2025-207978

cvss: 9.8; 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 39%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in ThemeREX Extreme Store extremestore allows Object Injection.This issue affects Extreme Store: from n/a through <= 1.5.10.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 8mo ago (2026-02-24)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

ThemeREX Extreme Store

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Theme/extremestore/vulnerability/wordpress-extreme-store-theme-1-5-7-php-object-injection-
vdb-entry

Sources

CVE List CVE-2025-69404
NVD CVE-2025-69404

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