CVE-2021-32855
MEDIUMVditor < 3.8.7 - Cross-Site Scripting via Copy-Paste
Title source: llmDescription
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.
References (3)
Core 3
Core References
Patch, Third Party Advisory
https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146
Issue Tracking, Third Party Advisory
https://github.com/Vanessa219/vditor/issues/1085
Exploit, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2021-1006-vditor/
Scores
CVSS v3
6.1
EPSS
0.0029
EPSS Percentile
52.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
b3log/vditor
< 3.8.7
npm/vditor
0 - 3.8.7npm
Published
Feb 21, 2023
Tracked Since
Feb 18, 2026