WordPress Page Builder by SiteOrigin plugin <= 2.36.0 - PHP Object Injection vulnerability

Why this deserves its current priority

CVSS is 7.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Greg – SiteOrigin/siteorigin-panels (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Greg – SiteOrigin/siteorigin-panels.
2. 2Review the reported fix. Source-reported solution: Update the WordPress Page Builder by SiteOrigin plugin to the latest available version (at least 2.36.1).

Evidence timeline and material changes

1. Published upstream

   Sep 30, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Sep 30, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Sep 30, 2026

Sources and claim methodology

• Source referencepatchstack.com

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