ghsa-wvhm-4hhf-97x9
Vulnerability from github
Published
2020-08-07 22:28
Modified
2021-01-07 23:41
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Summary
Cross-Site Scripting in Prism
Details

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.

Show details on source website

To clipboard 

{
   affected: [
      {
         package: {
            ecosystem: "npm",
            name: "prismjs",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "1.1.0",
                  },
                  {
                     fixed: "1.21.0",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2020-15138",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-79",
      ],
      github_reviewed: true,
      github_reviewed_at: "2020-08-07T16:19:07Z",
      nvd_published_at: null,
      severity: "HIGH",
   },
   details: "### Impact\nThe easing preview of the Previewers plugin has an XSS vulnerability that allows attackers to execute arbitrary code in Safari and Internet Explorer.\n\nThis 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).\n\n### Patches\nThis problem is patched in v1.21.0.\n\n### Workarounds\nTo 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.\n\n### References\nThe 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).\n\n### For more information\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/PrismJS/prism/issues).",
   id: "GHSA-wvhm-4hhf-97x9",
   modified: "2021-01-07T23:41:49Z",
   published: "2020-08-07T22:28:30Z",
   references: [
      {
         type: "WEB",
         url: "https://github.com/PrismJS/prism/security/advisories/GHSA-wvhm-4hhf-97x9",
      },
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2020-15138",
      },
      {
         type: "WEB",
         url: "https://github.com/PrismJS/prism/pull/2506/commits/7bd7de05edf71112a3a77f87901a2409c9c5c20c",
      },
      {
         type: "WEB",
         url: "https://prismjs.com/plugins/previewers/#disabling-a-previewer",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L",
         type: "CVSS_V3",
      },
   ],
   summary: "Cross-Site Scripting in Prism",
}


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