CVE-2023-51535

Name: CVE-2023-51535
Creator: NVD / NIST
Published: 2024-01-05T10:15:10.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-51535 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Cross-Site Request Forgery (CSRF) vulnerability in СleanTalk - Anti-Spam Protection Spam protection, Anti-Spam, FireWall by CleanTalk.This issue affects Spam protection, Anti-Spam, FireWall by CleanTalk: from n/a through 6.20.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

Cross-Site Request Forgery (CSRF) vulnerability in СleanTalk - Anti-Spam Protection Spam protection, Anti-Spam, FireWall by CleanTalk.This issue affects Spam protection, Anti-Spam, FireWall by CleanTalk: from n/a through 6.20.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.23%

13.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Cleantalk	Spam Protection\, Antispam\, Firewall	<= 6.20

References

Timeline

Published: Jan 5, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-51535?

How severe is CVE-2023-51535?

CVE-2023-51535 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-51535?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-51535?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST