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VulnerabilityPublished

CVE-2026-121870: Simpler Checkout (WordPress plugin) · Improper Privilege Management

Affects Simpler Checkout (WordPress plugin)Source CVE Database V5

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Not known to be exploited : upgrade to 1.5.4 soon.

Data as of 11 Nov 2026, 06:32 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 1.5.4

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 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 10 Nov 2026.

What to do

Upgrade Simpler Checkout (WordPress plugin) to 1.5.4.

Affected software

ProductAffectedFixed in
Simpler CheckoutAffected
  • <1.5.4
Fixed in
  • 1.5.4

AI-suggested

Upgrade the Simpler Checkout plugin to version 1.5.4 or later, where this privilege management vulnerability is fixed. No other mitigation steps are indicated.

Description

The Simpler Checkout WordPress plugin versions before 1.5.4 contain an improper privilege management vulnerability. This flaw allows subscribers on stores that have not completed the plugin setup to log in as administrators due to an empty automatic login key until configuration is complete. The issue is fixed in version 1.5.4.

References

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