CVE-2026-1542 Super Stage WP <= 1.0.1 - Unauthenticated PHP Object Injection
Unauthenticated attackers can achieve remote code execution via PHP object injection in the Super Stage WP WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1542?
CVE-2026-1542 is a medium-severity unsafe deserialization vulnerability in Unknown Super Stage WP, published on 28 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Super Stage WP WordPress plugin through 1.0.1 unserializes user input via REQUEST, which could allow unauthenticated users to perform PHP Object Injection when a suitable gadget is present on the blog.
Weakness: CWE-502
Which versions are affected by CVE-2026-1542?
How do I fix CVE-2026-1542?
No fix has been published for CVE-2026-1542 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-2026-1542 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1542 exists.
Sources
Also known as GHSA-98hx-rrj3-w3r4.