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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (41.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Wpexperts Post Smtp
- Post Smtp Mailer — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/22fa478d-e42e-488d-9b4b-a8720dec7cee (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.