PT-2018-18257 · None+1 · Bleach+1

Willkg · Published 2018-03-07 · Updated 2026-03-05 · CVE-2018-7753

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Bleach versions 2.1.x before 2.1.3

Description: An issue was discovered where attributes with URI values were not properly sanitized if the values contained character entities. This allowed for the construction of a URI value with a scheme that was not allowed to bypass sanitization.

Recommendations: For versions 2.1.x before 2.1.3, update to version 2.1.3 to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-7753

GHSA-M9MQ-P2F9-CFQV

OPENSUSE-SU-2024:11219-1

OPENSUSE-SU-2024:14134-1

PYSEC-2018-51

USN-8077-1

Affected Products

Bleach

Ubuntu

References · 28

• https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef · Patch
• https://ubuntu.com/security/CVE-2020-6816 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-7753 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-6817 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-7753 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-7753 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:14134-1 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2018-51 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-7753 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-6802 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-7753 · Security Note
• https://ubuntu.com/security/CVE-2021-23980 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-7753 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-7753 · Security Note
• https://osv.dev/vulnerability/USN-8077-1 · Vendor Advisory