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MEDIUM · 6.1

CVE-2023-6621

The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used agains...

Vulnerability Description

The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
WpexpertsPost Smtp< 2.8.7

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2023-6621?

CVE-2023-6621 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used agains...

How severe is CVE-2023-6621?

CVE-2023-6621 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-6621?

Check the references section above for vendor advisories and patch information. Affected products include: Wpexperts Post Smtp.