PT-2023-12187 · Vditor · Vditor

Bananabr + 3 · Published 2023-02-20 · Updated 2023-03-02 · CVE-2021-32855

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Vditor versions prior to 3.8.7

Description Vditor is a browser-side Markdown editor. The issue at hand is a copy-paste cross-site scripting (XSS) problem. For this particular type of XSS, the victim needs to be fooled into copying a malicious payload into the text editor.

Recommendations For versions prior to 3.8.7, update to version 3.8.7 to resolve the issue. As a temporary workaround, consider restricting the use of the text editor until the patch is applied.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-32855

GHSA-VFMP-9999-6WQJ

Affected Products

Vditor

References · 9

• 🔥 https://securitylab.github.com/advisories/GHSL-2021-1006-vditor · Exploit
• https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146 · Patch
• https://osv.dev/vulnerability/GHSA-vfmp-9999-6wqj · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-32855 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32855 · Security Note
• https://github.com/Vanessa219/vditor/issues/1085 · Note
• https://github.com/Vanessa219/vditor · Note
• https://t.me/cvenotify/44735 · Telegram Post
• https://t.me/cibsecurity/58612 · Telegram Post