Vivagh <= 2.4 - Authenticated (Subscriber+) PHP Object Injection

Deserialization of Untrusted Data
CVE CVE-2025-68899
CVSS High (7.5)
Publicly Published January 13, 2026
Last Updated January 20, 2026
Researcher Tran Nguyen Bao Khanh
Description

The Vivagh theme for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.4 via deserialization of untrusted input. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

References

1 affected software package

Software Type Theme
Software Slug vivagh (view on wordpress.org)
Patched? No
Affected Version
  • <= 2.4
Patched Version
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