CVE-2024-2477 wpDiscuz <= 7.6.15 - Authenticated (Author+) Stored Cross-Site Scripting via Uploaded Image Alternative Text

What is CVE-2024-2477?

CVE-2024-2477 is a medium-severity cross-site scripting vulnerability in advancedcoding Comments – wpDiscuz, published on 23 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The wpDiscuz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Alternative Text' field of an uploaded image in all versions up to, and including, 7.6.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-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-2024-2477?

It affects 1 product.

Products include Gvectors Wpdiscuz.

How do I fix CVE-2024-2477?

No fix has been published for CVE-2024-2477 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-2024-2477 being exploited?

There is no known exploitation of CVE-2024-2477 in the wild and no public exploit code.

Other vulnerabilities in advancedcoding Comments – wpDiscuz

• CVE-2020-24186 File upload in n/a Critical 10.0
• CVE-2024-9488 Comments – wpDiscuz <= 7.6.24 - Authentication Bypass via WordPress.com OAuth provider Critical 9.8
• CVE-2020-13640 SQL injection in n/a Critical 9.8
• CVE-2026-22193 wpDiscuz before 7.6.47 - SQL Injection in getAllSubscriptions() Critical 9.2
• CVE-2026-22192 Voltronic Power SNMP Web Pro 1.1 Authentication Bypass via localStorage High 8.8

Sources

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

Also known as GHSA-h38m-55w3-wc8q.