CVE-2020-15138 – prismjs

Package

Manager: npm
Name: prismjs
Vulnerable Version: >=1.1.0 <1.21.0

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

EPSS: 0.00864 pctl0.74239

Details

Cross-Site Scripting in Prism ### 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](https://prismjs.com/plugins/previewers/#disabling-a-previewer) 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](https://github.com/PrismJS/prism/commit/4303c940d3d3a20e8ce7635bf23331c75060f5c5) on Sep 29, 2015 and fixed by [Masato Kinugawa](https://twitter.com/kinugawamasato) (#2506). ### For more information If you have any questions or comments about this advisory, please [open an issue](https://github.com/PrismJS/prism/issues).

Metadata

Created: 2020-08-07T22:28:30Z
Modified: 2021-01-07T23:41:49Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/08/GHSA-wvhm-4hhf-97x9/GHSA-wvhm-4hhf-97x9.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-wvhm-4hhf-97x9
Finding: F008
Auto approve: 1