Upstream information

CVE-2018-5773 at MITRE

Description

An issue was discovered in markdown2 (aka python-markdown2) through 2.3.5. The safe_mode feature, which is supposed to sanitize user input against XSS, is flawed and does not escape the input properly. With a crafted payload, XSS can be triggered, as demonstrated by omitting the final '>' character from an IMG tag.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 6.1
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
CVSSv3 Version 3
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • python310-markdown2 >= 2.4.13-1.2
  • python311-markdown2 >= 2.4.13-1.2
  • python312-markdown2 >= 2.4.13-1.2
  • python36-markdown2 >= 2.4.0-2.4
  • python38-markdown2 >= 2.4.0-2.4
  • python39-markdown2 >= 2.4.0-2.4
 Patchnames:
openSUSE-Tumbleweed-2024-11237
openSUSE-Tumbleweed-2024-14146

SUSE Timeline for this CVE

CVE page created: Fri Jan 19 05:48:32 2018
CVE page last modified: Mon Oct 6 19:15:35 2025