CVE-2026-12592

SlimStat Analytics < 5.5.0 - Unauthenticated Stored XSS via CF-IPCountry Header

Published Jul 20, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions slimstat Analytics
Vendors & Products Wordpress-extensions
Wordpress-extensions slimstat Analytics
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title SlimStat Analytics < 5.5.0 - Unauthenticated Stored XSS via CF-IPCountry Header
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Jul 20, 2026, 1:14 PM
Reserved
Jun 18, 2026, 9:19 AM
Status
Deferred
Published
Jul 20, 2026, 7:16 AM
Modified
Jul 20, 2026, 8:39 PM