What is CVE-2021-41952?

CVE-2021-41952 is a medium-severity vulnerability in Tribalsystems Zenario, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-03-14.

How severe is CVE-2021-41952?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Tribalsystems Zenario

CVE-2021-41952

Zenario CMS 9.0.54156 is vulnerable to Cross Site Scripting (XSS) via upload file to *.SVG. An attacker can send malicious files to victims and steals victim's cookie leads to account takeover. The person viewing the image of a contact can be victim of XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-03-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.5% 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

Tribalsystems Zenario — versions 9.0.54156

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/1 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-41952?: CVE-2021-41952 is a medium-severity vulnerability in Tribalsystems Zenario, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-03-14.
How severe is CVE-2021-41952?: Medium severity. CVSS v3 base score is 4.8 out of 10.