What is CVE-2020-24861?

CVE-2020-24861 is a medium-severity vulnerability in Get-Simple Getsimple Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-10-01.

How severe is CVE-2020-24861?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Get-Simple Getsimple Cms

CVE-2020-24861

GetSimple CMS 3.3.16 allows in parameter 'permalink' on the Settings page persistent Cross Site Scripting which is executed when you create and open a new page

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-10-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Get-Simple Getsimple Cms — versions 3.3.16

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

get-simple.info (Product)
www.exploit-db.com/exploits/48850 (Exploit, VDB Entry, Third Party Advisory)
www.youtube.com/watch (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24861?: CVE-2020-24861 is a medium-severity vulnerability in Get-Simple Getsimple Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-10-01.
How severe is CVE-2020-24861?: Medium severity. CVSS v3 base score is 5.4 out of 10.