What is CVE-2020-12707?

CVE-2020-12707 is a medium-severity vulnerability in Lepton-Cms Lepton Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-05-07.

How severe is CVE-2020-12707?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Lepton-Cms Lepton Cms

CVE-2020-12707

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Lepton-cms Lepton_cms — versions 4.5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-12707?: CVE-2020-12707 is a medium-severity vulnerability in Lepton-Cms Lepton Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-05-07.
How severe is CVE-2020-12707?: Medium severity. CVSS v3 base score is 6.1 out of 10.