XSS in Gvectors Wpdiscuz
CVE-2026-22183
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (6.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Gvectors Wpdiscuz — versions 0, 7.6.47
Weakness classification (CWE)
References
- wordpress.org/plugins/wpdiscuz/ (Product, Release Notes, patch)
- wordpress.org/plugins/wpdiscuz/ (Product, product)
- www.vulncheck.com/advisories/wpdiscuz-before-stored-cross-site-scripting-in-inl… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-22183?
- CVE-2026-22183 is a medium-severity vulnerability in Gvectors Wpdiscuz, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-13.
- How severe is CVE-2026-22183?
- Medium severity. CVSS v3 base score is 6.1 out of 10.