CVE-2024-8121Network attack vector

Administrator username change via missing capability check

Published Sep 4, 2024 · Updated Apr 8, 2026

Missing authorization in WP Extended – The Ultimate WordPress Toolkit 3.0.8 and earlier allows remote authenticated users to rename an administrator. The wpext_change_admin_name() function updates the default admin account's username without checking the caller's capabilities. Subscriber-level access and an existing administrator account named admin are required; the effect is limited to changing that account's login name.

CVSS severity5.4
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in WP Extended – The Ultimate WordPress Toolkit 3.0.8 and earlier allows remote authenticated users to rename an administrator. The wpext_change_admin_name() function updates the default admin account's username without checking the caller's capabilities. Subscriber-level access and an existing administrator account named admin are required; the effect is limited to changing that account's login name.

The record

CVE
CVE-2024-8121
Published
Sep 4, 2024
Updated
Apr 8, 2026
Vendor
WP Extended
Product
WP Extended – The Ultimate WordPress Toolkit
Classifications
CWE-862, T1531
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.0.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

WP Extended · WP Extended – The Ultimate WordPress Toolkitversion=0 <=3.0.8

Published CVSS scores

5.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1531Account Access Removal

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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