CVE-2026-22201 | THREATINT

Description

wpDiscuz before 7.6.47 contains an IP spoofing vulnerability in the getIP() function that allows attackers to bypass IP-based rate limiting and ban enforcement by trusting untrusted HTTP headers. Attackers can set HTTP_CLIENT_IP or HTTP_X_FORWARDED_FOR headers to spoof their IP address and circumvent security controls.

PUBLISHED Reserved 2026-01-06 | Published 2026-03-13 | Updated 2026-03-13 | Assigner VulnCheck

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem types

Use of Less Trusted Source

Product status

Default status

unaffected

Any version before 7.6.47

affected

7.6.47

unaffected

Credits

Scott Moore - VulnCheck finder

References

wordpress.org/plugins/wpdiscuz/ (wpDiscuz Changelog) patch

wordpress.org/plugins/wpdiscuz/ (wpDiscuz) product

www.vulncheck.com/...cuz-before-ip-address-spoofing-in-getip (VulnCheck Advisory: wpDiscuz before 7.6.47 - IP Address Spoofing in getIP()) third-party-advisory

cve.org (CVE-2026-22201)

nvd.nist.gov (CVE-2026-22201)

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