VULNERABILITY INTELLIGENCE

CVE-2018-7753

CVSS score9.8 CRITICAL
EPSS probability2.17%
CISA KEVNot currently listed
Published2018-03-07
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references