CVE-2026-22201: wpDiscuz before 7.6.47 - IP Address Spoofing in getIP()

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-13 · updated 2026-06-17
Weakness: CWE-348

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.

Affected products

gVectors wpDiscuz: before 7.6.47 — fixed in 7.6.47

How to fix

Upgrade to a fixed version: gVectors wpDiscuz 7.6.47. Check the vendor advisory for mitigations.

References

https://wordpress.org/plugins/wpdiscuz/
https://wordpress.org/plugins/wpdiscuz/#developers
https://www.vulncheck.com/advisories/wpdiscuz-before-ip-address-spoofing-in-getip

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