Vulnerability Details : CVE-2021-42112
Potential exploit
The "File upload question" functionality in LimeSurvey 3.x-LTS through 3.27.18 allows XSS in assets/scripts/modaldialog.js and assets/scripts/uploader.js.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-42112
- cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42112
0.58%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42112
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
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
|
NIST |
CWE ids for CVE-2021-42112
-
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)
References for CVE-2021-42112
-
https://github.com/LimeSurvey/LimeSurvey/commit/d56619a50cfd191bbffd0adb660638a5e438070d
Fixed issue #17562: XSS injection in the 'File upload' question type … · LimeSurvey/LimeSurvey@d56619a · GitHubPatch;Third Party Advisory
-
https://bugs.limesurvey.org/view.php?id=17562
Permissions Required
-
https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_limesurvey_-_cve-2021-42112.pdf
Exploit;Third Party Advisory
Jump to