WordPress security changelog
MEDIUM CVE-2026-22201 Analyzed

Wpdiscuz: A security weakness

Wpdiscuz is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 6.9 CVSS 4.0 · disclosure@vulncheck.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Wpdiscuz
Plugin slug
wpdiscuz
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Mar 13, 2026
Weakness
CWE-348 — Use of Less Trusted Source

This CVE was published Mar 13, 2026 and is one of 33 known issues for this plugin.

Update, patch or deactivate.

Update Wpdiscuz to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical 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.

CVE / CNA vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary and upstream sources