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CVE-2026-114451VulnerabilityPublished

The Membership Plugin WordPress plugin before 4.0.6 does not perform any authorization or CSRF check before running a

Source GCVE Database

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Authoritative record:CVE-2026-114451· High

Not known to be exploited : upgrade to 4.0.6 soon.

Data as of 15 Nov 2026, 10:39 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 4.0.6

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.

What to do

Upgrade Membership Plugin to 4.0.6.

Affected software

ProductAffectedFixed in
Membership PluginAffected
  • <4.0.6
Fixed in
  • 4.0.6

AI-suggested

Upgrade the Membership Plugin WordPress plugin to version 4.0.6 or later, where authorization and CSRF checks have been implemented to prevent unauthorized execution of the database maintenance routine. Until upgraded, restrict access to the affected functionality to trusted users only.

Description

The Membership Plugin WordPress plugin versions before 4.0.6 lack authorization and CSRF protections on a database maintenance routine. This flaw allows unauthenticated users to alter the plugin's database tables by converting them to a narrower character set, which irreversibly replaces all 4-byte characters such as emoji and certain CJK characters with question marks in membership level, discount code, and payment records.

References

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