PT-2020-21332 · Showdown · Showdown

Published 2020-09-03 · Updated 2020-09-03

Positive Technologies (AI Summary)

CVSS v3.1

3.1

Low

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions showdown versions prior to 1.9.1

Description The issue allows attackers to access window.opener for the original page when opening links, which can be used for phishing attacks. This is due to the package using target=' blank' in anchor tags.

Recommendations Upgrade to version 1.9.1 or later.

Fix

Weakness Enumeration

CWE-1022

Related Identifiers

GHSA-H6MQ-3CJ6-H738

Affected Products

Showdown

References · 6

• https://osv.dev/vulnerability/GHSA-h6mq-3cj6-h738 · Vendor Advisory
• https://github.com/showdownjs/showdown · Note
• https://github.com/showdownjs/showdown/pull/670 · Note
• https://github.com/showdownjs/showdown/commit/1cd281f0643ef613dc1d36847d4c6cbb22501d91 · Note
• https://snyk.io/vuln/SNYK-JS-SHOWDOWN-469487 · Note
• https://npmjs.com/advisories/1302 · Note