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WordPress plugin

Themeflection Numbers <= 1.8.1 — Authenticated(Subscriber+) Privilege Escalation via tf_numb_save_licenses

CVE-2023-0889Published · Updated

Action summary

Affected: ≤1.8.1Update to 2.0.1 or newer

All remediation steps
Watch plugin
Severity
High8.8
CVSS
8.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Themeflection Numbers – Number Counter and Animated Numbers tf-numbers-number-counter-animaton

  1. Affected≤ 1.8.1
  2. Patched in2.0.1

Update to 2.0.1 or newer.

You are affected if you run ≤ 1.8.1. Version 2.0.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Themeflection Numbers – Number Counter and Animated Numbers.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.0.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Themeflection Numbers – Number Counter and Animated Numbers to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to dc11.

The Themeflection Numbers plugin for WordPress is vulnerable to unauthorized data modification due to a missing capability check on the tf_numb_save_licenses function in versions up to, and including, 1.8.1. This makes it possible for authenticated attackers with subscriber-level capabilities to update arbitrary site options, which can lead to privilege escalation. Version 2.0.0 introduced a partial patch which prevented privilege escalation but still potentially allowed data modification.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

Same weakness (Missing Authorization)

All Missing Authorization
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Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 8.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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