CVE-2025-3077 Betheme <= 28.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting

What is CVE-2025-3077?

CVE-2025-3077 is a medium-severity cross-site scripting vulnerability in MuffinGroup Betheme, published on 16 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Betheme theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Button shortcode and Custom CSS field in all versions up to, and including, 28.0.3 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Weakness: CWE-79

Which versions are affected by CVE-2025-3077?

It affects 1 product.

Products include Muffingroup Betheme.

How do I fix CVE-2025-3077?

No fix has been published for CVE-2025-3077 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-2025-3077 being exploited?

There is no known exploitation of CVE-2025-3077 in the wild and no public exploit code.

Other vulnerabilities in MuffinGroup Betheme

• CVE-2024-2694 Betheme <= 27.5.6 - Authenticated (Contributor+) PHP Object Injection High 8.8
• CVE-2022-3861 Betheme <= 26.5.1.4 - Authenticated (Subscriber+) PHP Object Injection High 8.8
• CVE-2023-39998 WordPress BeTheme theme <= 27.1.1 - Author+ Broken Access Control vulnerability High 8.2
• CVE-2023-47770 WordPress BeTheme theme <= 27.1.1 - Contributor+ Broken Access Control vulnerability High 7.6
• CVE-2023-29101 WordPress Betheme Theme <= 26.7.5 is vulnerable to Cross Site Scripting (XSS) High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6476-gj69-54v6.