CVE-2026-22183 wpDiscuz before 7.6.47 - Stored Cross-Site Scripting in Inline Comment Preview
Authenticated attackers can inject malicious scripts via comment previews, potentially executing code in other users' browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-22183?
CVE-2026-22183 is a medium-severity cross-site scripting vulnerability in gVectors wpDiscuz, published on 13 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability in the inline comment preview functionality that allows authenticated users to inject malicious scripts by submitting comments with unescaped content. Attackers with unfiltered_html capabilities can inject JavaScript directly through comment content rendered in the AJAX response from the getLastInlineComments() function in class.WpdiscuzHelperAjax.php without proper HTML escaping.
Weakness: CWE-79
Which versions are affected by CVE-2026-22183?
It affects 1 product.
Products include Gvectors Wpdiscuz.
How do I fix CVE-2026-22183?
No fix has been published for CVE-2026-22183 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-2026-22183 being exploited?
There is no known exploitation of CVE-2026-22183 in the wild and no public exploit code.
Other vulnerabilities in gVectors wpDiscuz
- CVE-2020-24186 File upload in n/a
- CVE-2024-9488 Comments – wpDiscuz <= 7.6.24 - Authentication Bypass via WordPress.com OAuth provider
- CVE-2020-13640 SQL injection in n/a
- CVE-2026-22193 wpDiscuz before 7.6.47 - SQL Injection in getAllSubscriptions()
- CVE-2026-22192 Voltronic Power SNMP Web Pro 1.1 Authentication Bypass via localStorage
Sources
Also known as GHSA-fffh-m74r-q8cx.