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CVE-2026-22204

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CVE-2026-22204

Published: Mar 13, 2026

Modified: Mar 13, 2026

PUBLISHED

CVSS v3.1

3.7

LOW

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.

VendorProductVersions

gVectors

wpDiscuz

affected
0 - < 7.6.47
unaffected
7.6.47

Weaknesses (CWE)

CWE-20

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

wpDiscuz
product

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