CVE-2021-42112

Public Exploit

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.58%
Third-Party Advisory github.com Third-Party Advisory on-x.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.limesurvey.org/view.php?id=17562 permissions required
https://github.com/LimeSurvey/LimeSurvey/commit/d56619a50cfd191bbffd0adb660638a5e438070d third party advisory patch
https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_limesurvey_-_cve-2021-42112.pdf third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-42112?
CVE-2021-42112 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42112?
To fix CVE-2021-42112, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42112 being actively exploited in the wild?
It is possible that CVE-2021-42112 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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