CVE-2025-0837 Puzzles <= 4.2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated contributors can inject malicious scripts via shortcodes in the Puzzles WordPress theme, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-0837?
CVE-2025-0837 is a medium-severity cross-site scripting vulnerability in ThemeREX Puzzles | WP Magazine / Review with Store WordPress Theme + RTL, published on 13 Feb 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2025-0837?
It affects 1 product.
Products include Themerex Puzzles.
How do I fix CVE-2025-0837?
No fix has been published for CVE-2025-0837 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-0837 being exploited?
There is no known exploitation of CVE-2025-0837 in the wild and no public exploit code.
Other vulnerabilities in ThemeREX Puzzles | WP Magazine / Review with Store WordPress Theme + RTL
Sources
Also known as GHSA-pgg2-76xh-gpq8.