CVE-2026-12592: unknown slimstat analytics Cross-site Scripting
Vulnerability summary
CVE-2026-12592 is a high (CVSS 7.5) Cross-site Scripting vulnerability in unknown slimstat analytics. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.6% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 5.5.0.
Timeline
- 20-07-2026PublishedVulnerability first disclosed.
- 20-07-2026Last modifiedVulnerability information updated.
Description
The SlimStat Analytics WordPress plugin before 5.5.0 does not escape a visitor-controlled geolocation value before outputting it in its admin analytics reports, allowing unauthenticated visitors to store a cross-site scripting payload that executes in the browser of an administrator who views the reports. Exploitation requires the SlimStat Analytics WordPress plugin before 5.5.0 to be configured to use the Cloudflare geolocation provider.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- wordfenceSource7.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- slimstat analytics< 5.5.0
Wordpress1 product
- wp-slimstat≤ 5.4.0 (fixed in 5.5.0)
2 vendors · 2 products