CVE-2021-32855: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

February 21, 2023 (updated March 2, 2023)

Vditor is a browser-side Markdown editor. Versions prior to 3.8.7 is 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

github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146
github.com/Vanessa219/vditor/issues/1085
github.com/advisories/GHSA-vfmp-9999-6wqj
nvd.nist.gov/vuln/detail/CVE-2021-32855
securitylab.github.com/advisories/GHSL-2021-1006-vditor/

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