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Description

'sanitize-html' prior to version 1.0.3 is vulnerable to Cross-site Scripting (XSS). The function 'naughtyHref' doesn't properly validate the hyperreference (`href`) attribute in anchor tags (`<a>`), allowing bypasses that contain different casings, whitespace characters, or hexadecimal encodings.

PUBLISHED Reserved 2025-09-05 | Published 2025-09-08 | Updated 2025-09-08 | Assigner Checkmarx




MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unaffected

Any version before 1.0.3
affected

Credits

Christian Silver (Pinpickle) finder

References

github.com/apostrophecms/sanitize-html/issues/1 issue-tracking

github.com/...ommit/889d4ec968e175f1905b2eb9d33f1fa89217cb02 patch

github.com/...ommit/423b90e06e1e85245eccedaabeb3a82840c6cd86 patch

github.com/...oofs-of-Concept/tree/main/2014/CVE-2014-125128 exploit

cve.org (CVE-2014-125128)

nvd.nist.gov (CVE-2014-125128)

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