CVE-2025-9306: A vulnerability was detected in SourceCodester Advanced School Management System 1.0

Routine

LOW 3.5DOWNGRADE

CVE-2025-9306 is a low-severity flaw (CVSS 3.5) affecting advanced school management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was detected in SourceCodester Advanced School Management System 1.0. The impacted element is an unknown function of the file /index.php/notice/addNotice. The manipulation of the argument noticeSubject results in cross site scripting. It is possible to launch the attack remotely. The exploit is now public and may be used.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2025-08-21
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: donbermoy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-21 16:15 UTCPublished CVE record published
2026-06-17 10:08 UTCUpdated Record last modified

donbermoy advanced school management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy advanced-school-management-system || rpm -q advanced-school-management-system || advanced-school-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison advanced-school-management-system sudo apt install advanced-school-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold advanced-school-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list advanced-school-management-system sudo dnf downgrade advanced-school-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add advanced-school-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-9306?

advanced school management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-9306 being exploited?

CVE-2025-9306 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-9306 affect?

CVE-2025-9306 affects advanced school management system. Severity is low (CVSS 3.5). A vulnerability was detected in SourceCodester Advanced School Management System 1.0. The impacted element is an unknown function of the file /index.php/notice/addNotice. The manipulation of the argument noticeSubject results in cross site

How urgent is CVE-2025-9306?

Priority 23/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-9689 MEDIUM 6.3 DOWNGRADE A vulnerability was detected in SourceCodester Advanced School Management System 1.0
CVE-2025-9690 MEDIUM 6.3 DOWNGRADE A flaw has been found in SourceCodester Advanced School Management System 1.0

References

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