CVE-2021-29271

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com Third-Party Advisory ryotak.me
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/umputun/remark42/compare/v1.6.0...v1.6.1 third party advisory patch
https://vuln.ryotak.me/advisories/19 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-29271?
CVE-2021-29271 has been scored as a medium severity vulnerability.
How to fix CVE-2021-29271?
To fix CVE-2021-29271, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-29271 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-29271 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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