CVE-2026-39577 WordPress Playroom theme <= 1.4.1 - PHP Object Injection vulnerability
Unauthenticated attackers can exploit PHP object injection in the Playroom theme to potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-39577?
CVE-2026-39577 is a high-severity unsafe deserialization vulnerability in Elated-Themes Playroom, published on 16 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Unauthenticated PHP Object Injection in Playroom <= 1.4.1 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-39577?
How do I fix CVE-2026-39577?
No fix has been published for CVE-2026-39577 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-2026-39577 being exploited?
There is no known exploitation of CVE-2026-39577 in the wild and no public exploit code.
Sources
Also known as GHSA-r5m9-6jrc-4936.