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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-22216

wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

gVectors wpDiscuz

Default version status: unaffected

  • 0 to < 7.6.47affected
  • 7.6.47unaffected
pkg:wordpress-plugin/wpdiscuz

References