CVE-2024-55231: An IDOR vulnerability in the edit-notes.php module of PHPGurukul Online Notes Sharing Management System v1.0 a

Routine

MEDIUM 4.3DOWNGRADE

CVE-2024-55231 is a medium-severity flaw (CVSS 4.3) affecting online notes sharing management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An IDOR vulnerability in the edit-notes.php module of PHPGurukul Online Notes Sharing Management System v1.0 allows unauthorized users to modify notes belonging to other accounts due to missing authorization checks. This flaw exposes sensitive data and enables attackers to alter another user's information.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-639
Published	2024-12-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: phpgurukul

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

Am I affected?

Timeline

2024-12-18 22:15 UTCPublished CVE record published
2026-06-17 08:11 UTCUpdated Record last modified

phpgurukul online notes sharing 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 online-notes-sharing-management-system || rpm -q online-notes-sharing-management-system || online-notes-sharing-management-system --version

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

apt-cache madison online-notes-sharing-management-system sudo apt install online-notes-sharing-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold online-notes-sharing-management-system

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

dnf --showduplicates list online-notes-sharing-management-system sudo dnf downgrade online-notes-sharing-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add online-notes-sharing-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-2024-55231?

online notes sharing management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-55231 being exploited?

CVE-2024-55231 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-2024-55231 affect?

CVE-2024-55231 affects online notes sharing management system. Severity is medium (CVSS 4.3). An IDOR vulnerability in the edit-notes.php module of PHPGurukul Online Notes Sharing Management System v1.0 allows unauthorized users to modify notes belonging to other accounts due to missing authorization checks. This flaw exposes sensit

How urgent is CVE-2024-55231?

Priority 27/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-55232 MEDIUM 5.4 DOWNGRADE An IDOR vulnerability in the manage-notes.php module in PHPGurukul Online Notes Sharing Management System v1.0

References

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