CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2021-24295
High (7.5) in cleantalk spam protection\, antispam\, firewall. EPSS 4.7% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 4.7% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
- CWE
- CWE-89
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cleantalk:spam_protection\,_antispam\,_firewall
References
- https://wpscan.com/vulnerability/152171fc-888c-4275-a118-5a1e664ef28b
- https://www.wordfence.com/blog/2021/05/sql-injection-vulnerability-patched-in-cleantalk-antispam-plugin/
- https://wpscan.com/vulnerability/152171fc-888c-4275-a118-5a1e664ef28b
- https://www.wordfence.com/blog/2021/05/sql-injection-vulnerability-patched-in-cleantalk-antispam-plugin/