CVEvulnerability

CVE-2018-7753

9.8 CRITICAL Published 2018-03-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-03-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-20

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.

Affected configurations

• mozilla bleach 2.1 • mozilla bleach 2.1.1 • mozilla bleach 2.1.2

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References