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Vulnerabilities

Vulnerability · CVE-2026-0674

Missing Authorization vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels.

Published Jan 8, 2026 · catalog updated Oct 26, 2026 · Campaign Monitor Campaign Monitor for WordPress

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-0674. EPSS is 0.22%. Act only if a listed version of Campaign Monitor Campaign Monitor for WordPress is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Advisory link
Affected products
vendor Campaign Monitor Campaign Monitor for WordPress n/a ≤2.9.1

Missing Authorization vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Campaign Monitor for WordPress: from n/a through 2.9.1.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Campaign Monitor Campaign Monitor for WordPress n/a ≤2.9.1n/a ≤2.9.1

How to fix CVE-2026-0674

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-0674. EPSS is 0.22%. Act only if a listed version of Campaign Monitor Campaign Monitor for WordPress is installed.

Which versions are affected?

Compare what you have installed with Campaign Monitor Campaign Monitor for WordPress n/a ≤2.9.1 n/a ≤2.9.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-862: Missing Authorization. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2026 · NIST NVD

    Detected

    Missing Authorization vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Campaign Monitor for WordPress: from n/a through 2.9.1.

  2. Oct 26, 2026 · NIST NVD

    Updated

    Missing Authorization vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Campaign Monitor for WordPress: from n/a through 2.9.1.

Sources

  • CVE.orgVulnerability recordCVE-2026-0674

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2026-1578

    Missing Authorization vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Campaign Monitor for WordPress: from n/a through 2.9.1.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2026-0674

    Missing Authorization vulnerability in Campaign Monitor Campaign Monitor for WordPress allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Campaign Monitor for WordPress: from n/a through 2.9.1.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 29, 2026
  • CVE.orgOct 27, 2026
  • NIST NVDOct 26, 2026