PT-2021-18156 · Remark42 · Remark42

Ryotak · Published 2021-03-27 · Updated 2021-06-04 · CVE-2021-29271

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: remark42 versions prior to 1.6.1

Description: The issue allows for XSS, as demonstrated by "Locator: Locator{URL:" followed by an XSS payload. This is related to backend/app/store/comment.go and backend/app/store/service/service.go.

Recommendations: For versions prior to 1.6.1, update to version 1.6.1 or later to resolve the issue. As a temporary workaround, consider restricting the input for the Locator field to prevent XSS payloads.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-29271

Affected Products

Remark42

References · 6

• https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-29271 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29271 · Vendor Advisory
• https://vuln.ryotak.me/advisories/19 · Note
• https://t.me/cvenotify/12627 · Telegram Post
• https://t.me/cvenotify/12165 · Telegram Post