CVE-2025-28970

CRITICAL 9.8

WordPress WP Optimize By xTraffic plugin <= 5.1.6 - PHP Object Injection Vulnerability

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in pep.vn WP Optimize By xTraffic wp-optimize-by-xtraffic allows Object Injection.This issue affects WP Optimize By xTraffic: from n/a through <= 5.1.6.

CWE	CWE-502
Vendor	pep.vn
Product	wp optimize by xtraffic
Published	Jun 27, 2025
Last Updated	Apr 28, 2026

Stay Ahead of the Next One

Get instant alerts for pep.vn wp optimize by xtraffic

Be the first to know when new critical vulnerabilities affecting pep.vn wp optimize by xtraffic are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

pep.vn / WP Optimize By xTraffic

0 ≤ 5.1.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/wp-optimize-by-xtraffic/vulnerability/wordpress-wp-optimize-by-xtraffic-5-1-6-php-object-injection-vulnerability?_s_id=cve

Credits

timomangcut | Patchstack Bug Bounty Program