CVE-2021-4404

Summary

The Event Espresso 4 Decaf plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.10.11. This is due to missing or incorrect nonce validation on the ajaxHandler() function. This makes it possible for unauthenticated attackers to op into notifications via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected Software

VendorProductVersion RangeStatus
eventespressoEvent Espresso – Event Registration & Ticketing Sales0 <= 4.10.11affected

Weaknesses

  • CWE-352: CWE-352 Cross-Site Request Forgery (CSRF)

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References