Cross-Site Request Forgery in POST SMTP Mailer Plugin for WordPress
CVE-2021-4422

4.3MEDIUM

Summary

The POST SMTP Mailer plugin for WordPress is susceptible to Cross-Site Request Forgery due to inadequate nonce validation on the handleCsvExport() function. This vulnerability allows unauthenticated attackers to potentially trigger a CSV export by crafting a malicious request, deceiving an administrator into executing it through social engineering tactics such as enticing them to click a link.

Affected Version(s)

POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress * <= 2.0.20

References

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jerome Bruandet
.