CVE-2021-32855: GHSL-2021-1006: Copy-paste XSS in vditor text editor - CVE-2021-32855

Published Apr 5, 2022
·
Updated

Copy-paste XSS in vditor text editor

Other sources

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.

Affected Software

1 affected component
b3log Vditor<3.8.7

Event History

Apr 5, 2022
Advisory Published
via GitHub Security Lab·12:00 AM
Data Sourced
via GitHub Security Lab·12:00 AM
Description
Feb 20, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2021-32855?

CVE-2021-32855 has been classified as a medium severity vulnerability due to its potential for exploitation via cross-site scripting.

2

How do I fix CVE-2021-32855?

To fix CVE-2021-32855, upgrade to Vditor version 3.8.7 or later, which contains the necessary patch.

3

What type of vulnerability is CVE-2021-32855?

CVE-2021-32855 is a copy-paste cross-site scripting (XSS) vulnerability affecting versions prior to 3.8.7.

4

What impact does CVE-2021-32855 have on users?

CVE-2021-32855 allows attackers to execute arbitrary scripts in the context of the user's session if they trick the user into pasting a malicious payload.

5

Which versions of Vditor are affected by CVE-2021-32855?

All versions of Vditor prior to 3.8.7 are affected by CVE-2021-32855.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203