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Vulnerabilities

Vulnerability · CVE-2026-3279

Missing Authorization

Published Oct 13, 2026 · catalog updated Oct 13, 2026 · Enable jQuery Migrate Helper

Patch now

CVE-2026-3279 is in the CISA known-exploited catalog. Confirm Enable jQuery Migrate Helper against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.39%
Remediation
Remediation guidance
Affected products
stated Enable jQuery Migrate Helper · vendor clorith Enable jQuery Migrate Helper

The Enable jQuery Migrate Helper plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the function in all versions up to, and including, 1.4.1. This is due to the function only verifying a nonce without checking user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to downgrade the site-wide jQuery version from 3.7.1 to the legacy 1.12.4-wp release, which has knowns security vulnerabilities.

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.

  • stated Enable jQuery Migrate Helper<= 1.4.1
  • vendor clorith Enable jQuery Migrate Helperversion unspecified

How to fix CVE-2026-3279

What to do

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

Should you patch?

CVE-2026-3279 is in the CISA known-exploited catalog. Confirm Enable jQuery Migrate Helper against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Enable jQuery Migrate Helper <= 1.4.1. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.39%. The CISA KEV listing is the exploitation evidence. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · VulnCheck KEV

    Detected

    The Enable jQuery Migrate Helper plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the function in all versions up to, and including, 1.4.1. This is due to the function only verifying a nonce without checking user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to downgrade the site

  2. Oct 13, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-3279

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3279

    30-day exploitation probability 0.4%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-3279

    The Enable jQuery Migrate Helper plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the function in all versions up to, and including, 1.4.1. This is due to the function only verifying a nonce without checking user capabil

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.