What is CVE-2019-20525?

CVE-2019-20525 is a medium-severity vulnerability in Igniterealtime Openfire, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-19.

How severe is CVE-2019-20525?

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

Is CVE-2019-20525 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Igniterealtime Openfire

CVE-2019-20525

Ignite Realtime Openfire 4.4.1 allows XSS via the setup/setup-datasource-standard.jsp driver parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-03-19 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.009 (58.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% 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

Igniterealtime Openfire — versions 4.4.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

www.netsparker.com/web-applications-advisories/ns-19-015-reflected-cross-site-s… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-20525?: CVE-2019-20525 is a medium-severity vulnerability in Igniterealtime Openfire, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-03-19.
How severe is CVE-2019-20525?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-20525 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.