CVE-2023-6621

MediumCVSS 6.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Unknown	POST SMTP	< 2.8.7

References

https://wpscan.com/vulnerability/b49ca336-5bc2-4d72-a9a5-b8c020057928Exploit, Third Party Advisory
https://wpscan.com/vulnerability/b49ca336-5bc2-4d72-a9a5-b8c020057928Exploit, Third Party Advisory

Timeline

Published: Jan 3, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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