Vulnerability · Published Sep 2, 2026 · Assigned by Patchstack

CVE-2026-81283WordPress WP User Frontend plugin <= 4.3.10 - PHP Object Injection vulnerability

High 8.8

In plain English

A high-severity unsafe deserialization in WP User Frontend from weDevs. 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 44% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 55.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Subscriber PHP Object Injection in WP User Frontend <= 4.3.10 versions.

Affected products (as reported)

VendorProductVersions
weDevs WP User Frontend n/a – through 4.3.10

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References