Subscriber-to-Administrator escalation via unchecked option writes
Published Apr 17, 2023 · Updated Feb 6, 2025
Missing authorization in Themeflection Numbers before 2.0.1 allows remote authenticated users to modify arbitrary WordPress options. The tf_numb_save_licenses AJAX handler accepts attacker-chosen option names and values without a capability or plugin-option ownership check. Subscriber access is sufficient to enable registration and set the default role to Administrator, allowing creation of an administrative account.
Summary
What happened
Missing authorization in Themeflection Numbers before 2.0.1 allows remote authenticated users to modify arbitrary WordPress options. The tf_numb_save_licenses AJAX handler accepts attacker-chosen option names and values without a capability or plugin-option ownership check. Subscriber access is sufficient to enable registration and set the default role to Administrator, allowing creation of an administrative account.
The record
- CVE
- CVE-2023-0889
- Published
- Apr 17, 2023
- Updated
- Feb 6, 2025
- Vendor
- Metagauss
- Product
- Themeflection Numbers – Number Counter and Animated Numbers
- Classifications
- CWE-862, T1136
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 17, 2023CVE publishedPublication date reported by the CVE source.
- Feb 6, 2025Record 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.
- Affected versionversion=0 <2.0.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Public exploit references
- WPScan subscriber privilege-escalation proof of conceptproof of concept · validated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
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