Vulnerability · Published Jun 27, 2025 · Assigned by Patchstack
CVE-2025-28970WordPress WP Optimize By xTraffic plugin <= 5.1.6 - PHP Object Injection Vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in WP Optimize By xTraffic from pep.vn. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 54.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| pep.vn | WP Optimize By xTraffic | 0 – through 5.1.6 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H