CVE-2022-36422: Rating increase/decrease via race condition in Lester 'GaMerZ' Chan WP-PostRatings plugin <= 1.89 at WordPress

Q: How do I fix CVE-2022-36422?

wp-postratings: upgrade to newer than 1.89. Exact commands for each OS are on this page.

Q: Is CVE-2022-36422 being exploited?

CVE-2022-36422 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-2022-36422 affect?

CVE-2022-36422 affects wp-postratings. Severity is medium (CVSS 4.3). Rating increase/decrease via race condition in Lester 'GaMerZ' Chan WP-PostRatings plugin <= 1.89 at WordPress.

Q: How urgent is CVE-2022-36422?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2022-36422 is a medium-severity flaw (CVSS 4.3) affecting wp-postratings. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Rating increase/decrease via race condition in Lester 'GaMerZ' Chan WP-PostRatings plugin <= 1.89 at WordPress.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-362
Published	2022-09-09
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: wp-postratings project

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

Am I affected?

Timeline

2022-09-09 15:15 UTCPublished CVE record published
2026-06-17 04:53 UTCUpdated Record last modified

wp-postratings project wp-postratings UPGRADE

Affected: <= 1.89

Fixed in: newer than 1.89

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-postratings || rpm -q wp-postratings || wp-postratings --version

2. UPGRADE to newer than 1.89 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-postratings

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-postratings

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-2022-36422?

wp-postratings: upgrade to newer than 1.89. Exact commands for each OS are on this page.

Is CVE-2022-36422 being exploited?

CVE-2022-36422 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-2022-36422 affect?

CVE-2022-36422 affects wp-postratings. Severity is medium (CVSS 4.3). Rating increase/decrease via race condition in Lester 'GaMerZ' Chan WP-PostRatings plugin <= 1.89 at WordPress.

How urgent is CVE-2022-36422?

Priority 25/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

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CVE-2011-10006 LOW 3.5 UPGRADE A vulnerability was found in GamerZ WP-PostRatings up to 1.64

References

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