7.2

CVE-2023-5958: unknown post smtp mailer Cross-site Scripting

CVSS: 7.2v3.1HighModified
Published 27-11-2023Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2023-5958 is a high (CVSS 7.2) Cross-site Scripting vulnerability in unknown post smtp mailer. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (wordfence)
EPSS score
0.51%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 27-11-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.51% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Wordpress1 product
  • post-smtp≤ 2.7.0 (fixed in 2.7.1)
Wpexperts1 product

3 vendors · 3 products

References

2 links