4.8

CVE-2026-4356: itsourcecode university management system Cross-site Scripting

CVSS: 4.8v4.0MediumDeferred
Published 18-03-2026Last modified 18-03-2026

Vulnerability summary

CVE-2026-4356 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in itsourcecode university management system. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 18-03-2026
    PublishedVulnerability first disclosed.
  2. 18-03-2026
    Last modifiedVulnerability information updated.

Description

A flaw has been found in itsourcecode University Management System 1.0. Affected is an unknown function of the file /add_result.php. Executing a manipulation of the argument vr can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

+0.16 pp

From 0.20% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Security

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Itsourcecode1 product

1 vendor · 1 product

References

5 links