CVE-2023-2439 Cross-site scripting in UserPro - Community and User Profile WordPress Plugin

What is CVE-2023-2439?

CVE-2023-2439 is a medium-severity cross-site scripting vulnerability in UserPro - Community and User Profile WordPress Plugin, published on 31 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The UserPro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'userpro' shortcode in versions up to, and including, 5.1.5 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-2023-2439?

It affects 1 product.

Products include Userproplugin Userpro.

How do I fix CVE-2023-2439?

No fix has been published for CVE-2023-2439 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-2023-2439 being exploited?

There is no known exploitation of CVE-2023-2439 in the wild and no public exploit code.

Other vulnerabilities in UserPro - Community and User Profile WordPress Plugin

• CVE-2024-35700 WordPress UserPro plugin <= 5.1.8 - Unauthenticated Account Takeover vulnerability Critical 9.8
• CVE-2023-2437 UserPro <= 5.1.1 - Authentication Bypass to Administrator Critical 9.8
• CVE-2023-2449 UserPro <= 5.1.1 - Insecure Password Reset Mechanism Critical 9.8
• CVE-2017-16562 Auth bypass in n/a Critical 9.8
• CVE-2023-2440 UserPro <= 5.1.1 - Cross-Site Request Forgery to Privilege Escalation High 8.8

Sources

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

Also known as GHSA-pj8j-f4gx-wrgf.