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TI-2025-03594 Aliases CVE-2025-4054GHSA-fhf5-p55m-mr5q

Relevanssi <= 4.24.3 (Free) and <= 2.27.4 (Premium) - Unauthenticated Stored Cross-Site Scripting via Search Highlights

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Relevanssi – A Better Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the highlights functionality in all versions up to, and including, 4.24.3 (Free) and <= 2.27.4 (Premium), due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page via the search results.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00411 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
comesioRelevanssi Premiumup to 2.27.4—No fix listedCNA
comesioRelevanssi – A Better Searchup to 4.24.3—No fix listedCNA
  • Relevanssi Premium Vendorcomesio Affected up to 2.27.4 Fixed in — No fix listed CNA
  • Relevanssi – A Better Search Vendorcomesio Affected up to 4.24.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4054
  2. 2026-10-03 Alias added: GHSA-fhf5-p55m-mr5q

References

Other 5

  • TI-2023-06585 Relevanssi (Free < 4.22.0, Premium < 2.25.0) - Unauthenticated Private/Draft Post Disclosure CVSS 3.1MEDIUM 5.3
  • TI-2024-01287 Missing authorization in comesio Relevanssi Premium CVSS 3.1MEDIUM 5.3
  • TI-2024-08374 Relevanssi < 4.23.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2024-03012 Relevanssi – A Better Search <= 4.22.1 - Unauthenticated Second Order CSV Injection CVSS 3.1CRITICAL 9.8
  • TI-2025-03923 Relevanssi <= 4.24.4 (Free) and <= 2.27.5 (Premium) - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
  • TI-2024-03011 Relevanssi – A Better Search <= 4.22.1 - Missing Authorization to Unauthenticated Count Option Update CVSS 3.1HIGH 8.2
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences