CVE-2025-0837

What it is

The Puzzles theme for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 4.2.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. Limited direct impact.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2025-02-13 05:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 08:27 UTC Last updatedMost recent change to the record

Details

Published

2025-02-13 05:15 UTC

Last modified

2026-06-17 08:27 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-79 · Cross-site scripting

Record status

Modified

Affected

• Themerex Puzzles ≤ 4.2.6

Attack profile CVSS 3.1 · 6.4

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None