CVE-2024-8548: The KB Support – WordPress Help Desk and Knowledge Base plugin for WordPress is vulnerable to unauthorized mod

Q: How do I fix CVE-2024-8548?

kb support: upgrade to 1.6.7. Exact commands for each OS are on this page.

Q: Is CVE-2024-8548 being exploited?

CVE-2024-8548 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-2024-8548 affect?

CVE-2024-8548 affects kb support. Severity is high (CVSS 8.1). The KB Support – WordPress Help Desk and Knowledge Base plugin for WordPress is vulnerable to unauthorized modification and loss of data due to a missing capability check on several functions in the /includes/ajax-functions.php file all ver

Routine

HIGH 8.1UPGRADE

CVE-2024-8548 is a high-severity flaw (CVSS 8.1) affecting kb support. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The KB Support – WordPress Help Desk and Knowledge Base plugin for WordPress is vulnerable to unauthorized modification and loss of data due to a missing capability check on several functions in the /includes/ajax-functions.php file all versions up to, and including, 1.6.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform multiple administrative actions, such as replying to arbitrary tickets,

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-862
Published	2024-10-01
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: logon

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

Am I affected?

Timeline

2024-10-01 08:15 UTCPublished CVE record published
2026-06-17 08:22 UTCUpdated Record last modified

logon kb support UPGRADE

Affected: < 1.6.7

Fixed in: 1.6.7

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 1.6.7 (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-2024-8548?

kb support: upgrade to 1.6.7. Exact commands for each OS are on this page.

Is CVE-2024-8548 being exploited?

CVE-2024-8548 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-2024-8548 affect?

CVE-2024-8548 affects kb support. Severity is high (CVSS 8.1). The KB Support – WordPress Help Desk and Knowledge Base plugin for WordPress is vulnerable to unauthorized modification and loss of data due to a missing capability check on several functions in the /includes/ajax-functions.php file all ver

How urgent is CVE-2024-8548?

Priority 36/100. High severity

Software pages

WordPress vulnerabilities · PHP vulnerabilities

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References

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