7.5

CVE-2023-5239: cleantalk security_\&_malware_scan Use of Less Trusted Source

CVSS: 7.5v3.1HighModified
Published 27-11-2023Last modified 02-08-2024

Vulnerability summary

CVE-2023-5239 is a high (CVSS 7.5) Use of Less Trusted Source vulnerability in cleantalk security_\&_malware_scan. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.65%
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 Security & Malware scan by CleanTalk WordPress plugin before 2.121 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to bypass bruteforce protection.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.65% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.65%

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

Cleantalk1 product
Unknown1 product
Wordpress1 product
  • security-malware-firewall≤ 2.120 (fixed in 2.121)

3 vendors · 3 products

References

2 links