CVE-2026-1941

Summary

The WP Event Aggregator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_events' shortcode in all versions up to, and including, 1.8.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for 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.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/50d8f1e0-2022-4fe1-b384-ca762a032d3c?source=cve
• https://plugins.trac.wordpress.org/browser/wp-event-aggregator/trunk/includes/class-wp-event-aggregator-cpt.php#L56
• https://plugins.trac.wordpress.org/browser/wp-event-aggregator/tags/1.8.7/includes/class-wp-event-aggregator-cpt.php#L56
• https://plugins.trac.wordpress.org/browser/wp-event-aggregator/trunk/includes/class-wp-event-aggregator-cpt.php#L567
• https://plugins.trac.wordpress.org/browser/wp-event-aggregator/tags/1.8.7/includes/class-wp-event-aggregator-cpt.php#L567
• https://plugins.trac.wordpress.org/browser/wp-event-aggregator/trunk/includes/class-wp-event-aggregator-cpt.php#L761
• https://plugins.trac.wordpress.org/browser/wp-event-aggregator/tags/1.8.7/includes/class-wp-event-aggregator-cpt.php#L761
• https://plugins.trac.wordpress.org/changeset/3455440/wp-event-aggregator#file18

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