How severe is CVE-2019-20389?

CVE-2019-20389 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-2019-20389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20389?

CVE-2019-20389 affects Intelliants Subrion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20389?

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

When was CVE-2019-20389 published?

CVE-2019-20389 was published on 2020-05-15 and last updated on 2026-06-17.

CVE-2019-20389

CVE-2019-20389 is a medium-severity vulnerability in Intelliants Subrion 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% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Intelliants Subrion
Published: 2020-05-15
Last modified: 2026-06-17

Description

An XSS issue was identified on the Subrion CMS 4.2.1 /panel/configuration/general settings page. A remote attacker can inject arbitrary JavaScript code in the v[language_switch] parameter (within multipart/form-data), which is reflected back within a user's browser without proper output encoding.

Frequently asked questions

What is CVE-2019-20389?: An XSS issue was identified on the Subrion CMS 4.2.1 /panel/configuration/general settings page. A remote attacker can inject arbitrary JavaScript code in the v[language_switch] parameter (within multipart/form-data), which is reflected back within a user's browser without proper output encoding.
How severe is CVE-2019-20389?: CVE-2019-20389 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-2019-20389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20389?: CVE-2019-20389 affects Intelliants Subrion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20389 published?: CVE-2019-20389 was published on 2020-05-15 and last updated on 2026-06-17.

References

http://packetstormsecurity.com/files/157699/Subrion-CMS-4.2.1-Cross-Site-Scripting.html

Affected products (1)

cpe:2.3:a:intelliants:subrion:4.2.1:*:*:*:*:*:*:*

More vulnerabilities in Intelliants Subrion

CVE-2024-25400 — Critical (CVSS 9.8): Subrion CMS 4.2.1 is vulnerable to SQL Injection via ia.core.mysqli.php. NOTE: this is disputed by multiple third…
CVE-2020-18155 — Critical (CVSS 9.8): SQL Injection vulnerability in Subrion CMS v4.2.1 in the search page if a website uses a PDO connection.
CVE-2017-5543 — Critical (CVSS 9.8): includes/classes/ia.core.users.php in Subrion CMS 4.0.5 allows remote attackers to conduct PHP Object Injection attacks…
CVE-2023-46947 — High (CVSS 8.8): Subrion 4.2.1 has a remote command execution vulnerability in the backend.
CVE-2018-21037 — High (CVSS 8.8): Subrion CMS 4.1.5 (and possibly earlier versions) allow CSRF to change the administrator password via the…
CVE-2017-15063 — High (CVSS 8.8): There are CSRF vulnerabilities in Subrion CMS 4.1.x through 4.1.5, and before 4.2.0, because of a logic error. Although…

All CVEs affecting Intelliants Subrion →

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 →