Is CVE-2026-22201 in the CISA KEV catalog?

No. CVE-2026-22201 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-22201?

CVE-2026-22201 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-22201?

CVE-2026-22201 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-22201?

Upgrade wpdiscuz to 7.6.47 or later.

CVE & CISA-KEV Catalog

CVE-2026-22201

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-348

How to fix

Remediation Available

wpdiscuzNVD

Affected:< 7.6.47Fixed in:7.6.47CVE-2026-22201derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Third-Party Advisory1

vulncheck.com

Release Notes1

wordpress.org

Product1

wordpress.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-17.