What is CVE-2026-4991?

CVE-2026-4991 is a low-severity vulnerability in Qdocs Smart School Management System, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-27.

How severe is CVE-2026-4991?

Low severity. CVSS v3 base score is 3.5 out of 10.

RCE in Qdocs Smart School Management System

CVE-2026-4991

A vulnerability was detected in QDOCS Smart School Management System up to 7.2. The impacted element is an unknown function of the file /admin/enquiry of the component Admission Enquiry Module. Performing a manipulation of the argument Note results in cross site scripting. The attack is possible to be carried out remotely.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Qdocs Smart School Management System — versions 7.0, 7.1, 7.2

Weakness classification (CWE)

References

vuldb.com/ (technical-description, vdb-entry)
vuldb.com/ (signature, permissions-required)
vuldb.com/ (third-party-advisory)

Frequently asked questions

What is CVE-2026-4991?: CVE-2026-4991 is a low-severity vulnerability in Qdocs Smart School Management System, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-27.
How severe is CVE-2026-4991?: Low severity. CVSS v3 base score is 3.5 out of 10.