wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the comment_author_email cookie. Attackers can craft a malicious cookie value that, when processed through urldecode() and passed to wp_mail() functions, enables header injection to alter email recipients or inject additional headers.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Fri, 13 Mar 2026 02:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the comment_author_email cookie. Attackers can craft a malicious cookie value that, when processed through urldecode() and passed to wp_mail() functions, enables header injection to alter email recipients or inject additional headers. | |
| Title | wpDiscuz before 7.6.47 - Unsanitized Cookie Email Used as wp_mail() Recipient | |
| First Time appeared |
Gvectors
Gvectors wpdiscuz |
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| Weaknesses | CWE-20 | |
| 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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MITRE
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-03-13T01:18:11.931Z
Reserved: 2026-01-06T16:47:17.185Z
Link: CVE-2026-22204
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses