Public mode

No access to your tenant or devices. Every item links to its source. What this means

CVE-2026-83545

CoolClock < 4.3.8 - Contributor+ Stored XSS via Custom Skin JSON

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-83545

Published

The CoolClock WordPress plugin before 4.3.8 does not properly escape a custom skin setting before outputting it inside an inline script, allowing users with contributor-level access and above to inject arbitrary JavaScript that executes when the content is viewed.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-83545

Published

CoolClock

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Unknown",
                    "product": "CoolClock",
                    "versions": [
                        {
                            "status": "affected",
                            "versionType": "semver",
                            "version": "0",
                            "lessThan": "4.3.8"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON