CVE-2026-66593: cleantalk inc security & malware scan by cleantalk SQL Injection
CVSS: 9.3v3.1CriticalDeferred
Published 20-08-2026Last modified 20-08-2026
Vulnerability summary
CVE-2026-66593 is a critical (CVSS 9.3) SQL Injection vulnerability in cleantalk inc security & malware scan by cleantalk. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33% of scored vulnerabilities.
CVSS score
9.3/10
010
Critical · v3.1 (CVE.org)EPSS score
0.40%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 20-08-2026PublishedVulnerability first disclosed.
- 20-08-2026Last modifiedVulnerability information updated.
Description
Unauthenticated SQL Injection in Security & Malware scan by CleanTalk <= 2.184 versions.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:LSources3 sources · 7.5–9.3
- NVDNIST9.3CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
- wordfenceSource7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.11 pp
From 0.29% on 21-09-2026
21-09-202621-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cleantalk inc1 product
- security & malware scan by cleantalk≥ n/a, ≤ 2.184
Wordpress1 product
- security-malware-firewall≤ 2.184 (fixed in 2.185)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry