CVE-2026-111628 10up Distributor before 2.3.2 PHP Object Injection via set_meta()
Contributor-level users can achieve arbitrary code execution via PHP object injection in the Distributor WordPress plugin.
- 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-2026-111628?
CVE-2026-111628 is a low-severity unsafe deserialization vulnerability in 10up Distributor, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
10up Distributor before 2.3.2 contains a PHP object injection vulnerability that allows Contributor-level users to instantiate PHP objects by double unserializing distributed post meta. Attackers can store a serialized PHP string as meta, which set_meta() in includes/utils.php unserializes on the destination site, storing attacker-defined objects whose impact depends on loaded gadget classes.
Weakness: CWE-502
Which versions are affected by CVE-2026-111628?
How do I fix CVE-2026-111628?
No fix has been published for CVE-2026-111628 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-2026-111628 being exploited?
There is no known exploitation of CVE-2026-111628 in the wild and no public exploit code.
Sources
Also known as GHSA-p88q-h74f-qxvq, GHSA-wm53-9j85-ph6h.