CVE-2024-7839: A vulnerability classified as critical has been found in itsourcecode Billing System 1.0

This week

HIGH 7.3REMOTEDOWNGRADE

CVE-2024-7839 is a high-severity flaw (CVSS 7.3) affecting billing system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as critical has been found in itsourcecode Billing System 1.0. This affects an unknown part of the file addbill.php. The manipulation of the argument owners_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

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 50%)
CISA exploited list	No
Weakness	CWE-89
Published	2024-08-15
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: angeljudesuarez

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

Am I affected?

Timeline

2024-08-15 21:15 UTCPublished CVE record published
2026-06-17 08:21 UTCUpdated Record last modified

angeljudesuarez 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-2024-7839?

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

Is CVE-2024-7839 being exploited?

CVE-2024-7839 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-2024-7839 affect?

CVE-2024-7839 affects billing system. Severity is high (CVSS 7.3). A vulnerability classified as critical has been found in itsourcecode Billing System 1.0. This affects an unknown part of the file addbill.php. The manipulation of the argument owners_id leads to sql injection. It is possible to initiate th

How urgent is CVE-2024-7839?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2025-65379 MEDIUM 6.5 DOWNGRADE PHPGurukul Billing System 1.0 is vulnerable to SQL Injection in the /admin/password-recovery.php endpoint
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References

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