What is CVE-2021-41948?

CVE-2021-41948 is a medium-severity vulnerability in Intelliants Subrion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-29.

How severe is CVE-2021-41948?

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

XSS in Intelliants Subrion

CVE-2021-41948

A cross-site scripting (XSS) vulnerability exists in the "contact us" plugin for Subrion CMS <= 4.2.1 version via "List of subjects".

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-29 · 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: 0.005 (39.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Intelliants Subrion

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/intelliants/subrion-plugin-contact_us/issues/8 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-41948?: CVE-2021-41948 is a medium-severity vulnerability in Intelliants Subrion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-29.
How severe is CVE-2021-41948?: Medium severity. CVSS v3 base score is 5.4 out of 10.