Vditor Cross-site Scripting vulnerability

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.

Recommendation

Update the vditor package to the latest compatible version. Followings are version details:

• Affected version(s): < 3.8.7
• Patched version(s): 3.8.7

References

• GHSA-vfmp-9999-6wqj
• CVE-2021-32855
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• rollbar vulnerable to prototype pollution - CVE-2025-57325
• Prebid.js NPM package briefly compromised - CVE-2025-59038
• devalue prototype pollution vulnerability - CVE-2025-57820
• js-toml Prototype Pollution Vulnerability - CVE-2025-54803

Tags:

npm

vditor