CVE-2026-100511 WordPress VK Google Job Posting Manager plugin <= 1.3.1 - PHP Object Injection vulnerability

High 8.8 Published Updated

An attacker can exploit PHP object injection in the VK Google Job Posting Manager plugin to potentially execute arbitrary code on the WordPress site.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-100511?

CVE-2026-100511 is a high-severity unsafe deserialization vulnerability in Vektor Inc. VK Google Job Posting Manager, published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Deserialization of Untrusted Data vulnerability in Vektor Inc. VK Google Job Posting Manager vk-google-job-posting-manager allows Object Injection.This issue affects VK Google Job Posting Manager: from n/a through 1.3.1.

Weakness: CWE-502

Which versions are affected by CVE-2026-100511?

How do I fix CVE-2026-100511?

No fix has been published for CVE-2026-100511 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2026-100511 being exploited?

There is no known exploitation of CVE-2026-100511 in the wild and no public exploit code.

Sources

Also known as GHSA-hgp8-vm7j-3mph.

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