CVE-2025-4587

A/B Testing for WordPress <= 1.18.2 - Authenticated (Contributor+) Stored Cross-Site Scripting

MEDIUM
6.4
CVSS Score
Published: June 27, 2025 at 07:22 AM UTC
Updated: June 17, 2026 at 09:33 AM UTC
1 product affected across 1 vendorAb Testing for WordPress

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Severity
MEDIUM6.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The A/B Testing for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ab-testing-for-wp/ab-test-block' block in all versions up to, and including, 1.18.2 due to insufficient input sanitization and output escaping on the 'id' parameter. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.18.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.4MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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