What’s Vulnerable › Vulnerabilities
CVE-2026-12592: SlimStat Analytics < 5.5.0 - Unauthenticated Stored XSS via CF-IPCountry Header
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-20 · updated 2026-07-20
- Weakness: CWE-79
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.
Affected products
- veronalabs SlimStat Analytics: before 5.5.0 — fixed in 5.5.0
How to fix
Upgrade to a fixed version: veronalabs SlimStat Analytics 5.5.0. Check the vendor advisory for mitigations.
References
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