What is CVE-2023-5958?

CVE-2023-5958 is a medium-severity vulnerability in Wpexperts Post_smtp, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-11-27.

How severe is CVE-2023-5958?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-5958 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Wpexperts Post_smtp

CVE-2023-5958

The POST SMTP Mailer WordPress plugin before 2.7.1 does not escape email message content before displaying it in the backend, allowing an unauthenticated attacker to perform XSS attacks against highly privileged users.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Wpexperts Post_smtp
Unknown Post Smtp Mailer — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

contact@wpscan.com (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-5958?: CVE-2023-5958 is a medium-severity vulnerability in Wpexperts Post_smtp, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-11-27.
How severe is CVE-2023-5958?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-5958 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.