Quick answers
- Is CVE-2026-96831 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-96831 being exploited in the wild.
- How severe is CVE-2026-96831?
- High severity, with a CVSS score of 8.8, published 30 September 2026.
- Which products and versions are affected?
- Themify Builder <= 7.8.1.
- Is there a fix for CVE-2026-96831?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-96831 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-96831?
- Check whether you run Themify Builder at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A PHP object injection vulnerability exists in Themify Builder's handling of serialized user input, allowing authenticated contributors to instantiate arbitrary PHP objects. The vulnerability requires contributor-level access to the WordPress site and is triggered through the builder's interface or API. Successful exploitation grants attackers remote code execution in the context of the WordPress application.
Affected products
- Themify Themify Builder <= 7.8.1
Timeline
- 2026-09-30: disclosed