CVEvulnerability
CVE-2018-1000162
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-04-18
- 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
Parsedown version prior to 1.7.0 contains a Cross Site Scripting (XSS) vulnerability in `setMarkupEscaped` for escaping HTML that can result in JavaScript code execution. This attack appears to be exploitable via specially crafted markdown that allows it to side step HTML escaping by breaking AST boundaries. This vulnerability appears to have been fixed in 1.7.0 and later.
Affected configurations
• parsedown parsedown (< 1.7.0)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/Roave/SecurityAdvisories/issues/44#issuecomment-368594409 Third Party Advisory
- https://github.com/erusev/parsedown/pull/495 Third Party Advisory
- https://github.com/Roave/SecurityAdvisories/issues/44#issuecomment-368594409 Third Party Advisory
- https://github.com/erusev/parsedown/pull/495 Third Party Advisory