CVE-2026-81283 WordPress WP User Frontend plugin <= 4.3.10 - PHP Object Injection vulnerability
A PHP object injection vulnerability in the WP User Frontend plugin allows attackers to execute arbitrary code.
- 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-2026-81283?
CVE-2026-81283 is a high-severity unsafe deserialization vulnerability in weDevs WP User Frontend, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Subscriber PHP Object Injection in WP User Frontend <= 4.3.10 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-81283?
How do I fix CVE-2026-81283?
No fix has been published for CVE-2026-81283 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-2026-81283 being exploited?
There is no known exploitation of CVE-2026-81283 in the wild and no public exploit code.
Sources
Also known as GHSA-rg7g-wrwv-qwf4.