CVE-2026-3311 posimyththemes CVE debrief

Who should care

Users of The Plus Addons for Elementor – Addons for Elementor, Page Templates, Widgets, Mega Menu, WooCommerce plugin for WordPress should be aware of this vulnerability. Operators, platform administrators, vulnerability management teams, and security teams may be impacted by this vulnerability, especially if they use the affected plugin in their environments.

Technical summary

The Plus Addons for Elementor – Addons for Elementor, Page Templates, Widgets, Mega Menu, WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Progress Bar shortcode in all versions up to, and including, 6.4.9 due to insufficient input sanitization and output escaping on user supplied attributes. This vulnerability allows authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Defensive priority

Medium priority due to CVSS score of 6.4. Given the vulnerability's nature, defenders should prioritize patching and monitoring.

Recommended defensive actions

• Apply patches or updates to the plugin to address the vulnerability.
• Implement input validation and output encoding for user-supplied attributes.
• Monitor for suspicious activity related to the Progress Bar shortcode.
• 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

Evidence for this CVE comes from the NVD and Wordfence security reports. The NVD entry is currently Deferred. Defenders should verify affected product deployments, review official advisories, and monitor for suspicious activity related to the Progress Bar shortcode.

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.