CVE-2025-65380: PHPGurukul Billing System 1.0 is vulnerable to SQL Injection in the admin/index.php endpoint

Routine

MEDIUM 6.5REMOTEDOWNGRADE

CVE-2025-65380 is a medium-severity flaw (CVSS 6.5) affecting billing system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHPGurukul Billing System 1.0 is vulnerable to SQL Injection in the admin/index.php endpoint. Specifically, the username parameter accepts unvalidated user input, which is then concatenated directly into a backend SQL query.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-12-02
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

2025-12-02 21:15 UTCPublished CVE record published
2026-06-17 09:55 UTCUpdated Record last modified

phpgurukul billing 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 billing-system || rpm -q billing-system || billing-system --version

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

apt-cache madison billing-system sudo apt install billing-system=<VERSION_BEFORE_1.0> sudo apt-mark hold billing-system

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

dnf --showduplicates list billing-system sudo dnf downgrade billing-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add billing-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-2025-65380?

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

Is CVE-2025-65380 being exploited?

CVE-2025-65380 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-2025-65380 affect?

CVE-2025-65380 affects billing system. Severity is medium (CVSS 6.5). PHPGurukul Billing System 1.0 is vulnerable to SQL Injection in the admin/index.php endpoint. Specifically, the username parameter accepts unvalidated user input, which is then concatenated directly into a backend SQL query.

How urgent is CVE-2025-65380?

Priority 30/100. Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-12617 HIGH 7.3 DOWNGRADE A flaw has been found in itsourcecode Billing System 1.0
CVE-2025-65379 MEDIUM 6.5 DOWNGRADE PHPGurukul Billing System 1.0 is vulnerable to SQL Injection in the /admin/password-recovery.php endpoint
CVE-2024-7913 HIGH 7.3 DOWNGRADE A vulnerability was found in itsourcecode Billing System 1.0
CVE-2024-7839 HIGH 7.3 DOWNGRADE A vulnerability classified as critical has been found in itsourcecode Billing System 1.0
CVE-2024-37872 HIGH 8.1 DOWNGRADE SQL injection vulnerability in process.php in Itsourcecode Billing System in PHP 1.0 allows remote attackers t

References

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