high
advisory
Christoph Vielgrader Relevanssi: Object injection via insecure deserialization (CVE-2026-114704)
The Relevanssi WordPress plugin is vulnerable to object injection due to deserialization of untrusted data.
CVE search metadata
CVE search record: CVE-2026-114704. Severity: high. CVSS: 7.2. KEV: no. Product: Relevanssi (n/a through 4.28.4). Brief: Christoph Vielgrader Relevanssi: Object injection via insecure deserialization (CVE-2026-114704). Brief link: https://feed.craftedsignal.io/briefs/2026-10-relevanssi-deserialization/
Triage facts
Revision 1- Applicability
- Relevanssi (n/a through 4.28.4)
- Evidence
- Unknown
- Severity
- High
- Sources
- 1 public source
- Freshness
- Revision 1Oct 24, 16:16 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
The Relevanssi plugin for WordPress, maintained by Christoph Vielgrader, contains a deserialization of untrusted data vulnerability (CVE-2026-114704). This vulnerability allows for object injection. The issue affects Relevanssi versions from n/a through 4.28.4.
Impact
The vulnerability carries a CVSS v3.1 base score of 7.2.