SQL Injection in Cleantalk Spam Protection\, Antispam\, Firewall
CVE-2021-24295
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.
Vulnerability class: SQL Injection
EPSS: 0.047 (91.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (x_refsource_CONFIRM, Third Party Advisory)
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24295?
- CVE-2021-24295 is a high-severity vulnerability in Cleantalk Spam Protection\, Antispam\, Firewall, classified under SQL Injection. CVSS score: 7.5/10. Published 2021-05-17.
- How severe is CVE-2021-24295?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-24295 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.