CVE-2021-32855

Public Exploit
vditor vulnerable to Cross-site Scripting

Description

Vditor is a browser-side Markdown editor. Versions prior to 3.8.7 are vulnerable to copy-paste cross-site scripting (XSS). For this particular type of XSS, the victim needs to be fooled into copying a malicious payload into the text editor. Version 3.8.7 contains a patch for this issue.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.40%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: npm vditor
Published at:
Updated at:

References

Link Tags
https://securitylab.github.com/advisories/GHSL-2021-1006-vditor/ third party advisory exploit
https://github.com/Vanessa219/vditor/issues/1085 third party advisory issue tracking
https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-32855?
CVE-2021-32855 has been scored as a medium severity vulnerability.
How to fix CVE-2021-32855?
To fix CVE-2021-32855, 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-2021-32855 being actively exploited in the wild?
It is possible that CVE-2021-32855 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32855?
CVE-2021-32855 affects npm vditor.
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