CVE-2023-5958
CVE-2023-5958 is a medium-severity vulnerability in Wpexperts Post Smtp with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Wpexperts Post Smtp
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-5958?
- CVE-2023-5958 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-5958 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-5958?
- CVE-2023-5958 affects Wpexperts Post Smtp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-5958?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-5958 published?
- CVE-2023-5958 was published on 2023-11-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:*
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