CVEvulnerability

CVE-2018-5773

6.1 MEDIUM Published 2018-01-18 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-01-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
6.1 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
CWE-79

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.

Affected configurations

• python-markdown2 project python-markdown2 (<= 2.3.5)

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References