TI-2025-04498 Aliases CVE-2025-5016 GHSA-5wcp-5r32-p6w2

Relevanssi <= 4.24.5 (Free) and <= 2.27.6 (Premium) - Unauthenticated Stored Cross-Site Scripting via Excerpt Highlights

LOW 21CWE-79Published 2025-05-31 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: High
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 Excerpt Highlights in all versions up to, and including, 4.24.5 (Free) and 2.27.6 (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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00234 14th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
comesio	Relevanssi Premium	up to 2.27.6	—	No fix listed	CNA
comesio	Relevanssi – A Better Search	up to 4.24.5	—	No fix listed	CNA

Relevanssi Premium Vendorcomesio Affected up to 2.27.6 Fixed in — No fix listed CNA
Relevanssi – A Better Search Vendorcomesio Affected up to 4.24.5 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-5016
2026-10-03 Alias added: GHSA-5wcp-5r32-p6w2

References

Other 2

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