What is the CVSS score of CVE-2025-4396?

CVE-2025-4396 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 25.2%.

Which versions of WordPress are affected by CVE-2025-4396?

Organizations using Relevanssi - A Better Search face notable risk from CVE-2025-4396, a SQL injection vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-4396?

Yes, a public proof-of-concept exploit is available for CVE-2025-4396. Prioritise patching immediately. EPSS: 25.2%.

How to fix or mitigate CVE-2025-4396?

Within 24 hours: Identify all affected systems running for WordPress is vulnerable to time-based SQL Injection via and apply vendor patches immediately. Validate that input sanitization is in place for all user-controlled parameters.

WordPress CVE-2025-4396

HIGH

SQL Injection (CWE-89)

2025-05-13 security@wordfence.com

WordPress SQLi

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:41 vuln.today

CVE Published

May 13, 2025 - 04:16 nvd

HIGH 7.5

DescriptionCVE.org

The Relevanssi - A Better Search plugin for WordPress is vulnerable to time-based SQL Injection via the cats and tags query parameters in all versions up to, and including, 4.24.4 (Free) and <= 2.27.4 (Premium) due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries to already existing queries that can be used to extract sensitive information from the database.

AnalysisAI

The Relevanssi - A Better Search plugin for WordPress is vulnerable to time-based SQL Injection via the cats and tags query parameters in all versions up to, and including, 4.24.4 (Free) and <=. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 25.2% and no vendor patch available.

Technical ContextAI

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. The Relevanssi - A Better Search plugin for WordPress is vulnerable to time-based SQL Injection via the cats and tags query parameters in all versions up to, and including, 4.24.4 (Free) and <= 2.27.4 (Premium) due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries to already existing queries that can be used to extract sensitive information from the database.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.