CVE-2026-103687 rhukster dom-sanitizer - Stored XSS

rhukster dom-sanitizer <= 1.0.15 contains an incomplete blacklist vulnerability caused by improper sanitization in the url function of src/DOMSanitizer.php, letting remote attackers bypass filters, exploit requires crafted input.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.54% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
1 October 2026
Updated
15 October 2026
Weakness
CWE-183

Vendor fix

Upgrade to version 1.0.16.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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