CVE-2023-7051: A vulnerability was found in PHPGurukul Online Notes Sharing System 1.0 and classified as problematic

Routine

MEDIUM 4.3DOWNGRADE

CVE-2023-7051 is a medium-severity flaw (CVSS 4.3) affecting online notes sharing system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in PHPGurukul Online Notes Sharing System 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /user/manage-notes.php of the component Notes Handler. The manipulation of the argument delid leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-248738 is the identifier assigned to this vulner

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	None
User interaction	Required
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-352
Published	2023-12-21
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: phpgurukul

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

Am I affected?

Timeline

2023-12-21 22:15 UTCPublished CVE record published
2026-06-17 06:51 UTCUpdated Record last modified

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

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

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

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

dnf --showduplicates list online-notes-sharing-system sudo dnf downgrade online-notes-sharing-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add online-notes-sharing-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-2023-7051?

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

Is CVE-2023-7051 being exploited?

CVE-2023-7051 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-2023-7051 affect?

CVE-2023-7051 affects online notes sharing system. Severity is medium (CVSS 4.3). A vulnerability was found in PHPGurukul Online Notes Sharing System 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /user/manage-notes.php of the component Notes Handler. The manipulation

How urgent is CVE-2023-7051?

Priority 27/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-7155 HIGH 7.3 DOWNGRADE A vulnerability, which was classified as critical, was found in PHPGurukul Online Notes Sharing System 1.0
CVE-2023-7055 MEDIUM 4.3 DOWNGRADE A vulnerability classified as problematic has been found in PHPGurukul Online Notes Sharing System 1.0
CVE-2023-7054 MEDIUM 5.5 DOWNGRADE A vulnerability was found in PHPGurukul Online Notes Sharing System 1.0
CVE-2023-7053 LOW 3.1 DOWNGRADE A vulnerability was found in PHPGurukul Online Notes Sharing System 1.0
CVE-2023-7052 MEDIUM 4.3 DOWNGRADE A vulnerability was found in PHPGurukul Online Notes Sharing System 1.0

References

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