CVE-2026-22201: wpDiscuz before 7.6.47 contains an IP spoofing vulnerability in the getIP() function that allows attackers to

Q: How do I fix CVE-2026-22201?

wpdiscuz: upgrade to 7.6.47. Exact commands for each OS are on this page.

Q: Is CVE-2026-22201 being exploited?

CVE-2026-22201 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-22201 affect?

CVE-2026-22201 affects wpdiscuz. Severity is medium (CVSS 5.3). 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_F

Q: How urgent is CVE-2026-22201?

Priority 25/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-22201 is a medium-severity flaw (CVSS 5.3) affecting wpdiscuz. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-348
Published	2026-03-13
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: gvectors

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-13 19:54 UTCPublished CVE record published
2026-06-17 10:19 UTCUpdated Record last modified

gvectors wpdiscuz UPGRADE

Affected: < 7.6.47

Fixed in: 7.6.47

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wpdiscuz || rpm -q wpdiscuz || wpdiscuz --version

2. UPGRADE to 7.6.47 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wpdiscuz

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wpdiscuz

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22201?

wpdiscuz: upgrade to 7.6.47. Exact commands for each OS are on this page.

Is CVE-2026-22201 being exploited?

CVE-2026-22201 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22201 affect?

CVE-2026-22201 affects wpdiscuz. Severity is medium (CVSS 5.3). 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_F

How urgent is CVE-2026-22201?

Priority 25/100. Remotely exploitable, no login, no user action

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References

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