PHP object injection in Search Regex WordPress plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
The Search Regex plugin for WordPress through 3.5 is vulnerable to PHP object injection (CWE-502) because it deserializes untrusted input in the replace_all function. An authenticated attacker with subscriber level access or higher can inject a PHP object. When a POP chain is present, the attacker can execute code.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
The Search Regex plugin for WordPress is vulnerable to PHP Object Injection in version 3.5 via deserialization of untrusted input in the replace_all function. This allows authenticated attackers, with subscriber-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to execute code.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Search Regex.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-16 Threatist record created from CVE-2026-104932
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-16 Priority changed: MEDIUM → LOW
- 2026-10-16 Alias added: GHSA-pg87-gj3v-m4jx
References
Sources
- CVE-2026-104932 · CVE Program
- CVE-2026-104932 · NVD
- FIRST EPSS
- GHSA-pg87-gj3v-m4jx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences