How severe is CVE-2026-4991?

CVE-2026-4991 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-4991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4991?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-4991 have an EU (EUVD) identifier?

Yes. CVE-2026-4991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16897.

When was CVE-2026-4991 published?

CVE-2026-4991 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-4991

CVE-2026-4991 is a low-severity vulnerability with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
CVSS v4: 5.1
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16897
Weakness: CWE-79
Published: 2026-03-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-4991?: CVE-2026-4991 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-4991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4991 have an EU (EUVD) identifier?: Yes. CVE-2026-4991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16897.
When was CVE-2026-4991 published?: CVE-2026-4991 was published on 2026-03-27 and last updated on 2026-06-17.

References

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