How severe is CVE-2019-20363?

CVE-2019-20363 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-20363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20363?

CVE-2019-20363 affects Igniterealtime Openfire. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20363?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-20363 published?

CVE-2019-20363 was published on 2020-01-08 and last updated on 2026-06-17.

CVE-2019-20363

CVE-2019-20363 is a medium-severity vulnerability in Igniterealtime Openfire with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Igniterealtime Openfire
Published: 2020-01-08
Last modified: 2026-06-17

Description

An XSS issue was discovered in Ignite Realtime Openfire 4.4.4 via alias to Manage Store Contents.

Frequently asked questions

What is CVE-2019-20363?: An XSS issue was discovered in Ignite Realtime Openfire 4.4.4 via alias to Manage Store Contents.
How severe is CVE-2019-20363?: CVE-2019-20363 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-20363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20363?: CVE-2019-20363 affects Igniterealtime Openfire. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20363 published?: CVE-2019-20363 was published on 2020-01-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:igniterealtime:openfire:4.4.4:*:*:*:*:*:*:*

More vulnerabilities in Igniterealtime Openfire

CVE-2024-25421 — Critical (CVSS 9.8): An issue in Ignite Realtime Openfire v.4.9.0 and before allows a remote attacker to escalate privileges via the…
CVE-2021-45967 — Critical (CVSS 9.8): An issue was discovered in Pascom Cloud Phone System before 7.20.x. A configuration error between NGINX and a backend…
CVE-2019-18394 — Critical (CVSS 9.8): A Server Side Request Forgery (SSRF) vulnerability in FaviconServlet.java in Ignite Realtime Openfire through 4.4.2…
CVE-2023-32315 — High (CVSS 8.6): Openfire is an XMPP server licensed under the Open Source Apache License. Openfire's administrative console, a…
CVE-2014-2741 — High (CVSS 7.8): nio/XMLLightweightParser.java in Ignite Realtime Openfire before 3.9.2 does not properly restrict the processing of…
CVE-2014-3451 — High (CVSS 7.5): OpenFire XMPP Server before 3.10 accepts self-signed certificates, which allows remote attackers to perform unspecified…

All CVEs affecting Igniterealtime Openfire →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →