TI-2021-10077 Aliases CVE-2021-29271

remark42 before 1.6.1 allows XSS, as demonstrated by "Locator: Locator{URL:" followed by…

LOW 29CWE-79Published 2021-03-27 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

remark42 before 1.6.1 allows 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.

Why it matters now

EPSS 0.00793 56th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:remark42:remark42::::::::	before 1.6.1	Vulnerable	Remark42

cpe:2.3:a:remark42:remark42:*:*:*:*:*:*:*:* Versions before 1.6.1 Vulnerable ·Remark42

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-29271

References

Patch 1

https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1

Advisory 1

https://vuln.ryotak.me/advisories/19

TI-2023-24674 umputun remark42 version 1.12.1 and before has a Blind Server-Side Request Forgery (SSRF) vulnerability. CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences