CVE-2023-6621

Public Exploit
Post SMTP < 2.8.7 - Reflected Cross-Site Scripting

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.12%
Third-Party Advisory wpscan.com
Affected: Unknown POST SMTP
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/b49ca336-5bc2-4d72-a9a5-b8c020057928 third party advisory vdb entry exploit technical description

Frequently Asked Questions

What is the severity of CVE-2023-6621?
CVE-2023-6621 has been scored as a medium severity vulnerability.
How to fix CVE-2023-6621?
To fix CVE-2023-6621, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-6621 being actively exploited in the wild?
It is possible that CVE-2023-6621 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6621?
CVE-2023-6621 affects Unknown POST SMTP.
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