CVE-2020-12707

Description

An XSS vulnerability exists in modules/wysiwyg/save.php of LeptonCMS 4.5.0. This can be exploited because the only security measure used against XSS is the stripping of SCRIPT elements. A malicious actor can use HTML event handlers to run JavaScript instead of using SCRIPT elements.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
Third-Party Advisory gitlab.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.com/lepton-cms/LEPTON/-/commit/52215f708395a329c9e17ea33bfc6762d4efccbb third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-12707?
CVE-2020-12707 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12707?
To fix CVE-2020-12707, 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-2020-12707 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12707 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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