CVE-2026-48838 PUBLISHED

WordPress Post SMTP plugin <= 3.6.2 - Cross Site Scripting (XSS) vulnerability

Assigner: Patchstack
Reserved: 25.05.2026 Published: 15.06.2026 Updated: 16.06.2026

Unauthenticated Cross Site Scripting (XSS) in Post SMTP <= 3.6.2 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS Score: 7.1

Product Status

Vendor WPExperts
Product Post SMTP
Versions Default: unaffected
  • affected from n/a to 3.6.2 (incl.)

Solutions

Update the WordPress Post SMTP Plugin to the latest available version (at least 3.6.3).

Credits

  • mcdruid | Patchstack Bug Bounty Program finder

References

Problem Types

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

Impacts

  • CAPEC-592 Stored XSS