CVE-2026-22216
Medium
Description
wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.WpdiscuzHelperAjax.php. Attackers can exploit LIKE wildcard characters in the subscription query to match multiple email addresses and generate unwanted notification emails to victim accounts.
SeverityMedium
CVSS6.5
Exploit probability—
ProductGvectors Wpdiscuz
PublishedMar 13, 2026
First seenMar 13, 2026
Weakness typeCWE-799CWE-799
How to fix
Update
- gvectors wpdiscuz7.6.47 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gvectors wpdiscuz | v < 7.6.47 | 7.6.47 |
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