CVE-2023-37890: Missing Authorization vulnerability in WPOmnia KB Support – WordPress Help Desk and Knowledge Base allows Acce

Q: How do I fix CVE-2023-37890?

kb support: upgrade to newer than 1.5.88. Exact commands for each OS are on this page.

Q: Is CVE-2023-37890 being exploited?

CVE-2023-37890 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-2023-37890 affect?

CVE-2023-37890 affects kb support. Severity is medium (CVSS 4.3). Missing Authorization vulnerability in WPOmnia KB Support – WordPress Help Desk and Knowledge Base allows Accessing Functionality Not Properly Constrained by ACLs. Users with a role as low as a subscriber can view other customers.This issue

Q: How urgent is CVE-2023-37890?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2023-37890 is a medium-severity flaw (CVSS 4.3) affecting kb support. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing Authorization vulnerability in WPOmnia KB Support – WordPress Help Desk and Knowledge Base allows Accessing Functionality Not Properly Constrained by ACLs. Users with a role as low as a subscriber can view other customers.This issue affects KB Support – WordPress Help Desk and Knowledge Base: from n/a through 1.5.88.

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 57%)
CISA exploited list	No
Weakness	CWE-862
Published	2023-11-30
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: logon

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

Am I affected?

Timeline

2023-11-30 16:15 UTCPublished CVE record published
2026-06-17 06:08 UTCUpdated Record last modified

logon kb support UPGRADE

Affected: <= 1.5.88

Fixed in: newer than 1.5.88

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kb-support || rpm -q kb-support || kb-support --version

2. UPGRADE to newer than 1.5.88 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kb-support

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kb-support

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-2023-37890?

kb support: upgrade to newer than 1.5.88. Exact commands for each OS are on this page.

Is CVE-2023-37890 being exploited?

CVE-2023-37890 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-2023-37890 affect?

CVE-2023-37890 affects kb support. Severity is medium (CVSS 4.3). Missing Authorization vulnerability in WPOmnia KB Support – WordPress Help Desk and Knowledge Base allows Accessing Functionality Not Properly Constrained by ACLs. Users with a role as low as a subscriber can view other customers.This issue

How urgent is CVE-2023-37890?

Priority 26/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

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References

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