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.
Metrics
Affected Vendors & Products
References
History
Fri, 13 Mar 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Fri, 13 Mar 2026 10:00:00 +0000
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| First Time appeared |
Wordpress
Wordpress wordpress |
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| Vendors & Products |
Wordpress
Wordpress wordpress |
Fri, 13 Mar 2026 02:00:00 +0000
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| 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. | |
| Title | wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass | |
| First Time appeared |
Gvectors
Gvectors wpdiscuz |
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| Weaknesses | CWE-799 | |
| CPEs | cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:* | |
| Vendors & Products |
Gvectors
Gvectors wpdiscuz |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-03-13T01:18:16.708Z
Updated: 2026-03-13T14:14:03.341Z
Reserved: 2026-01-06T16:47:17.187Z
Link: CVE-2026-22216
Updated: 2026-03-13T14:13:54.998Z
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