GitHub Advisoryadvisory · npm

GHSA-wvhm-4hhf-97x9 Cross-Site Scripting in Prism

HIGH Published 2020-08-07 Modified 2021-01-07 Official page ↗
Aliases
CVE-2020-15138
Ecosystem
npm
Packages
prismjs
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Weaknesses
CWE-79
Reviewed
2020-08-07

Affected packages

• npm prismjs: >= 1.1.0, < 1.21.0 → fixed in 1.21.0

Description

Impact The easing preview of the Previewers plugin has an XSS vulnerability that allows attackers to execute arbitrary code in Safari and Internet Explorer. This impacts all Safari and Internet Explorer users of Prism >=v1.1.0 that use the _Previewers_ plugin (>=v1.10.0) or the _Previewer: Easing_ plugin (v1.1.0 to v1.9.0). Patches This problem is patched in v1.21.0. Workarounds To workaround the issue without upgrading, disable the easing preview on all impacted code blocks. You need Prism v1.10.0 or newer to apply this workaround. References The vulnerability was introduced by this commit on Sep 29, 2015 and fixed by Masato Kinugawa (#2506). For more information If you have any questions or comments about this advisory, please open an issue.

Related

Alias · CVE (1)

  • CVE-2020-15138 Prism is vulnerable to Cross-Site Scripting. vulnerability

Weakness · CWE (1)

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

References