How severe is CVE-2026-5644?

CVE-2026-5644 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-5644 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5644?

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

Does CVE-2026-5644 have an EU (EUVD) identifier?

Yes. CVE-2026-5644 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19217.

When was CVE-2026-5644 published?

CVE-2026-5644 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-5644

CVE-2026-5644 is a low-severity vulnerability with a CVSS 3.x base score of 2.4. 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 2.4)
CVSS v2: 3.3
CVSS v4: 1.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19217
Weakness: CWE-79
Published: 2026-04-06
Last modified: 2026-06-17

Description

A security flaw has been discovered in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. Affected is an unknown function of the file /admin/Add%20notice/batch-notice.php. Performing a manipulation of the argument $_SERVER['PHP_SELF'] results in cross site scripting. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-5644?: A security flaw has been discovered in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. Affected is an unknown function of the file /admin/Add%20notice/batch-notice.php. Performing a manipulation of the argument $_SERVER['PHP_SELF'] results in cross site scripting. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-5644?: CVE-2026-5644 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-5644 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5644?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5644 have an EU (EUVD) identifier?: Yes. CVE-2026-5644 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19217.
When was CVE-2026-5644 published?: CVE-2026-5644 was published on 2026-04-06 and last updated on 2026-06-17.

References

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