What’s Vulnerable › Vulnerabilities

CVE-2026-103686: rhukster dom-sanitizer URL Validation DOMSanitizer.php isDangerousUrl cross site scripting

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-01 · updated 2026-10-06
• Weakness: CWE-79

Description

A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.

Affected products

• rhukster dom-sanitizer: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+10)

References

• https://github.com/rhukster/dom-sanitizer/
• https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda
• https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16
• https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c
• https://vuldb.com/cve/CVE-2026-103686
• https://vuldb.com/submit/958312
• https://vuldb.com/vuln/412550
• https://vuldb.com/vuln/412550/cti

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