What is CVE-2020-13853?

CVE-2020-13853 is a medium-severity vulnerability in Pandorafms Pandora Fms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-06-11.

How severe is CVE-2020-13853?

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

XSS in Pandorafms Pandora Fms

CVE-2020-13853

Artica Pandora FMS 7.44 has persistent XSS in the Messages feature.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-06-11 · 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: 0.010 (62.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Pandorafms Pandora Fms — versions 7.44

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.coresecurity.com/advisories (Third Party Advisory)
www.coresecurity.com/core-labs/advisories/pandora-fms-community-multiple-vulner… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13853?: CVE-2020-13853 is a medium-severity vulnerability in Pandorafms Pandora Fms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-06-11.
How severe is CVE-2020-13853?: Medium severity. CVSS v3 base score is 5.4 out of 10.