What is CVE-2020-24924?

CVE-2020-24924 is a medium-severity vulnerability in Elkarbackup, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-09-15.

How severe is CVE-2020-24924?

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

XSS in Elkarbackup

CVE-2020-24924

A Persistent Cross-site Scripting vulnerability is found in ElkarBackup v1.3.3, where an attacker can steal the user session cookie using this vulnerability present on Policies >> action >> Name Parameter

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-09-15 · 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: 0.008 (54.3th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Elkarbackup — versions 1.3.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.elkarbackup.org/ (Product)
vyshnavvizz.blogspot.com/2020/09/stored-cross-site-scripting-in.html (Exploit, Third Party Advisory)
github.com/sooraj24/new/blob/master/XSS in ElkarBackup (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24924?: CVE-2020-24924 is a medium-severity vulnerability in Elkarbackup, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-09-15.
How severe is CVE-2020-24924?: Medium severity. CVSS v3 base score is 5.4 out of 10.