How severe is CVE-2026-5671?

CVE-2026-5671 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-5671 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5671?

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

Does CVE-2026-5671 have an EU (EUVD) identifier?

Yes. CVE-2026-5671 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19400.

When was CVE-2026-5671 published?

CVE-2026-5671 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-5671

CVE-2026-5671 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19400
Weakness: CWE-79
Published: 2026-04-06
Last modified: 2026-06-17

Description

A vulnerability was determined in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. Impacted is an unknown function of the file /admin/class%20schedule/delete_batch.php of the component Class Schedule Deletion Endpoint. Executing a manipulation of the argument batch can lead to cross site scripting. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-5671?: A vulnerability was determined in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. Impacted is an unknown function of the file /admin/class%20schedule/delete_batch.php of the component Class Schedule Deletion Endpoint. Executing a manipulation of the argument batch can lead to cross site scripting. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-5671?: CVE-2026-5671 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-5671 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5671?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5671 have an EU (EUVD) identifier?: Yes. CVE-2026-5671 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19400.
When was CVE-2026-5671 published?: CVE-2026-5671 was published on 2026-04-06 and last updated on 2026-06-17.

References

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