CVE-2026-104747 WordPress Haaken theme <= 1.5 - PHP Object Injection vulnerability
Unauthenticated attackers can exploit PHP object injection in the Haaken theme to potentially execute arbitrary code.
- 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-2026-104747?
CVE-2026-104747 is a high-severity unsafe deserialization vulnerability in Edge-Themes Haaken, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated PHP Object Injection in Haaken <= 1.5 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-104747?
How do I fix CVE-2026-104747?
No fix has been published for CVE-2026-104747 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-2026-104747 being exploited?
There is no known exploitation of CVE-2026-104747 in the wild and no public exploit code.
Sources
Also known as GHSA-wm8r-hhm6-f67f.