PT-2021-17953 · Unknown · Qiita::Markdown

Ryotak · Published 2021-06-21 · Updated 2021-08-12 · CVE-2021-28833

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Qiita::Markdown versions prior to 0.34.0

Description: The issue allows for XSS attacks via a crafted gist link.

Recommendations: For versions prior to 0.34.0, update to version 0.34.0 or later to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-28833

GHSA-9P29-94HP-8RVC

Affected Products

Qiita::Markdown

References · 8

• https://osv.dev/vulnerability/GHSA-9p29-94hp-8rvc · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28833 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28833 · Vendor Advisory
• https://github.com/increments/qiita-markdown/releases · Note
• https://github.com/increments/qiita-markdown/compare/v0.33.0...v0.34.0 · Note
• https://github.com/increments/qiita-markdown · Note
• https://github.com/increments/qiita-markdown/commit/b5d4e60bf537ceb177e70bf91653d29575e1aa21 · Note
• https://vuln.ryotak.me/advisories/50 · Note