CVE-2024-8121: The The Ultimate WordPress Toolkit – WP Extended plugin for WordPress is vulnerable to unauthorized modificati

Q: How do I fix CVE-2024-8121?

wp extended: upgrade to 3.0.9. Exact commands for each OS are on this page.

Q: Is CVE-2024-8121 being exploited?

CVE-2024-8121 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-2024-8121 affect?

CVE-2024-8121 affects wp extended. Severity is medium (CVSS 5.4). The The Ultimate WordPress Toolkit – WP Extended plugin for WordPress is vulnerable to unauthorized modification of user names due to a missing capability check on the wpext_change_admin_name() function in all versions up to, and including,

Q: How urgent is CVE-2024-8121?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2024-8121 is a medium-severity flaw (CVSS 5.4) affecting wp extended. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The The Ultimate WordPress Toolkit – WP Extended plugin for WordPress is vulnerable to unauthorized modification of user names due to a missing capability check on the wpext_change_admin_name() function in all versions up to, and including, 3.0.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change an admin's username to a username of their liking as long as the default 'admin' was used.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-862
Published	2024-09-04
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: wpextended

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

Am I affected?

Timeline

2024-09-04 07:15 UTCPublished CVE record published
2026-06-17 08:21 UTCUpdated Record last modified

wpextended wp extended UPGRADE

Affected: < 3.0.9

Fixed in: 3.0.9

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.0.9 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-extended

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-2024-8121?

wp extended: upgrade to 3.0.9. Exact commands for each OS are on this page.

Is CVE-2024-8121 being exploited?

CVE-2024-8121 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-2024-8121 affect?

CVE-2024-8121 affects wp extended. Severity is medium (CVSS 5.4). The The Ultimate WordPress Toolkit – WP Extended plugin for WordPress is vulnerable to unauthorized modification of user names due to a missing capability check on the wpext_change_admin_name() function in all versions up to, and including,

How urgent is CVE-2024-8121?

Priority 25/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

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References

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