CVE-2025-7155: A vulnerability, which was classified as critical, was found in PHPGurukul Online Notes Sharing System 1.0

This week

HIGH 7.3REMOTEDOWNGRADE

CVE-2025-7155 is a high-severity flaw (CVSS 7.3) 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, which was classified as critical, was found in PHPGurukul Online Notes Sharing System 1.0. This affects an unknown part of the file /Dashboard of the component Cookie Handler. The manipulation of the argument sessionid leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The original researcher disclosure suspects an XPath Injection vulnerability; ho

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-74, CWE-89
Published	2025-07-08
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

2025-07-08 01:15 UTCPublished CVE record published
2026-06-17 10:04 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-2025-7155?

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

Is CVE-2025-7155 being exploited?

CVE-2025-7155 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-2025-7155 affect?

CVE-2025-7155 affects online notes sharing system. Severity is high (CVSS 7.3). A vulnerability, which was classified as critical, was found in PHPGurukul Online Notes Sharing System 1.0. This affects an unknown part of the file /Dashboard of the component Cookie Handler. The manipulation of the argument sessionid lead

How urgent is CVE-2025-7155?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

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
CVE-2023-7051 MEDIUM 4.3 DOWNGRADE A vulnerability was found in PHPGurukul Online Notes Sharing System 1.0 and classified as problematic

References

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