CVE-2023-6621
Last modified
CVE-2023-6621 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wpexperts | 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
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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