CVE-2026-15156 wpdevteam CVE debrief

Who should care

Users of Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress, version 6.6.11 or earlier, should be aware of this vulnerability and take steps to mitigate it. This includes administrators, security teams, and operators who manage WordPress environments with the affected plugin installed. They should review the official CVE record and assess their environment for potential exposure. Additionally, they should prioritize updating the plugin to a patched version and implement additional security measures to prevent exploitation.

Technical summary

The vulnerability exists in the Reading Progress Global Color Settings feature of the Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin. An authenticated attacker with contributor-level access and above can inject arbitrary web scripts, which will execute when a user accesses an injected page. This is possible due to insufficient input sanitization and output escaping in the plugin's code. The vulnerability has a CVSS score of 6.4, indicating a medium severity level. To mitigate this vulnerability, users should update the plugin to a version that fixes this issue and implement additional security measures such as input validation and output encoding.

Defensive priority

Medium priority due to the CVSS score of 6.4 and the potential for authenticated attackers to inject malicious scripts.

Recommended defensive actions

• Update the Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin to a version that fixes this vulnerability.
• Implement additional security measures, such as input validation and output encoding, to prevent similar vulnerabilities.
• Monitor for suspicious activity and implement incident response plans in case of an attack.
• 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 was published on 2026-07-21T05:16:34.110Z and was last modified on 2026-07-22T15:16:52.523Z. The NVD entry is currently Deferred. The Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Reading Progress Global Color Settings in all versions up to, and including, 6.6.11 due to insufficient input sanitization and output escaping. This vulnerability was reported by [email protected] and affects users of the plugin. To verify, defenders should review the official CVE record and assess their environment for potential exposure.

Sources and 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.