Vulnerability Details : CVE-2021-32855
Potential exploit
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-32855
- cpe:2.3:a:b3log:vditor:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32855
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32855
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
GitHub, Inc. |
CWE ids for CVE-2021-32855
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2021-32855
-
https://securitylab.github.com/advisories/GHSL-2021-1006-vditor/
GHSL-2021-1006: Copy-paste XSS in vditor text editor - CVE-2021-32855 | GitHub Security LabExploit;Third Party Advisory
-
https://github.com/Vanessa219/vditor/issues/1085
XSS 漏洞修复 · Issue #1085 · Vanessa219/vditor · GitHubIssue Tracking;Third Party Advisory
-
https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146
:lock: https://github.com/Vanessa219/vditor/issues/1085 · Vanessa219/vditor@1b2382d · GitHubPatch;Third Party Advisory
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