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PatchSiren cyber security CVE debrief

CVE-2026-84896 King Addons CVE debrief

The King Addons for Elementor WordPress plugin before 51.1.77 does not escape a widget display-style setting before outputting it in an HTML attribute, allowing users with Contributor-level access and above to store JavaScript that executes in the browser of any visitor to the affected page, including logged-in administrators. This vulnerability has significant implications for WordPress installations with the King Addons for Elementor plugin, as it could lead to unauthorized JavaScript execution. Defenders should assess their exposure, prioritize verification of the plugin version, and monitor for suspicious activity on affected pages.

Vendor
King Addons
Product
King Addons for Elementor
CVSS
MEDIUM 6.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-05
Original CVE updated
2026-09-06
Advisory published
2026-09-05
Advisory updated
2026-09-06

Who should care

Defenders who manage WordPress installations with the King Addons for Elementor plugin should assess their exposure and prioritize verification of the plugin version. Administrators of affected pages should be aware of the potential for JavaScript execution and take steps to prevent exploitation.

Why it matters

The King Addons for Elementor WordPress plugin vulnerability allows users with Contributor-level access and above to store JavaScript that executes in the browser of any visitor to the affected page, including logged-in administrators. Defenders should prioritize verification of the plugin version and monitor for suspicious activity.

  • Defenders must verify the plugin version to prevent exploitation
  • Administrators must be aware of the potential for JavaScript execution
  • Defenders should monitor for suspicious activity on affected pages

Technical summary

The King Addons for Elementor WordPress plugin before 51.1.77 does not escape a widget display-style setting before outputting it in an HTML attribute, allowing users with Contributor-level access and above to store JavaScript that executes in the browser of any visitor to the affected page, including logged-in administrators. This vulnerability has a CVSS score of 6.8 and a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

Defensive priority

Defenders should prioritize verifying the version of the King Addons for Elementor WordPress plugin and ensuring that it is updated to 51.1.77 or later. Additionally, defenders should monitor for suspicious activity on the affected pages and consider implementing additional security measures to prevent exploitation.

Recommended defensive actions

  • Verify the version of the King Addons for Elementor WordPress plugin and update to 51.1.77 or later.
  • Monitor for suspicious activity on affected pages.
  • Consider implementing additional security measures to prevent exploitation.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD vulnerability detail page provide information about the vulnerability, including its description, CVSS score, and CVSS vector. The WPScan reference provides additional information about the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-84896 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-84896

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-84896 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-84896

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.