Arbitrary file upload in Mojoomla School Management

CVE-2025-31100

Unrestricted Upload of File with Dangerous Type vulnerability in Mojoomla School Management allows Upload a Web Shell to a Web Server.This issue affects School Management: from n/a through 1.93.1 (02-07-2025).

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-31100: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-31100?
CVE-2025-31100 is a critical-severity vulnerability in Mojoomla School Management, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2025-08-31.
How severe is CVE-2025-31100?
Critical severity. CVSS v3 base score is 9.9 out of 10.