CVE-2021-24295

Public Exploit
Time-based Blind SQL Injection in Spam protection, AntiSpam, FireWall by CleanTalk < 5.153.4

Description

It was possible to exploit an Unauthenticated Time-Based Blind SQL Injection vulnerability in the Spam protection, AntiSpam, FireWall by CleanTalk WordPress Plugin before 5.153.4. The update_log function in lib/Cleantalk/ApbctWP/Firewall/SFW.php included a vulnerable query that could be injected via the User-Agent Header by manipulating the cookies set by the Spam protection, AntiSpam, FireWall by CleanTalk WordPress plugin before 5.153.4, sending an initial request to obtain a ct_sfw_pass_key cookie and then manually setting a separate ct_sfw_passed cookie and disallowing it from being reset.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.75% Top 30%
Third-Party Advisory wpscan.com Third-Party Advisory wordfence.com
Affected: СleanTalk Spam protection, AntiSpam, FireWall by CleanTalk
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/152171fc-888c-4275-a118-5a1e664ef28b third party advisory
https://www.wordfence.com/blog/2021/05/sql-injection-vulnerability-patched-in-cleantalk-antispam-plugin/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-24295?
CVE-2021-24295 has been scored as a high severity vulnerability.
How to fix CVE-2021-24295?
To fix CVE-2021-24295, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24295 being actively exploited in the wild?
It is possible that CVE-2021-24295 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24295?
CVE-2021-24295 affects СleanTalk Spam protection, AntiSpam, FireWall by CleanTalk.
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