CVE-2026-6813

Summary

The Continually plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 4.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

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/d0e6900c-21a3-4b46-bb61-8c41e2234a26?source=cve
• https://plugins.trac.wordpress.org/browser/continually/trunk/public/class-continually-public.php#L113
• https://plugins.trac.wordpress.org/browser/continually/tags/4.3.1/public/class-continually-public.php#L113
• https://plugins.trac.wordpress.org/browser/continually/trunk/admin/class-continually-admin.php#L158
• https://plugins.trac.wordpress.org/browser/continually/tags/4.3.1/admin/class-continually-admin.php#L158

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