CVE-2016-15031: A vulnerability was found in PHP-Login 1.0

This month

HIGH 7.3REMOTEDOWNGRADE

CVE-2016-15031 is a high-severity flaw (CVSS 7.3) affecting php-login. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in PHP-Login 1.0. It has been declared as critical. This vulnerability affects the function checkLogin of the file login/scripts/class.loginscript.php of the component POST Parameter Handler. The manipulation of the argument myusername leads to sql injection. The attack can be initiated remotely. Upgrading to version 2.0 is able to address this issue. The patch is identified as 0083ec652786ddbb81335ea20da590df40035679. I

Why this priority

High severity
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	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-05-06
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: php-login project

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

Am I affected?

Timeline

2023-05-06 01:15 UTCPublished CVE record published
2026-06-17 00:41 UTCUpdated Record last modified

php-login project php-login 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 php-login || rpm -q php-login || php-login --version

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

apt-cache madison php-login sudo apt install php-login=<VERSION_BEFORE_1.0> sudo apt-mark hold php-login

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

dnf --showduplicates list php-login sudo dnf downgrade php-login-<VERSION_BEFORE_1.0> sudo dnf versionlock add php-login

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-2016-15031?

php-login: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-15031 being exploited?

CVE-2016-15031 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-2016-15031 affect?

CVE-2016-15031 affects php-login. Severity is high (CVSS 7.3). A vulnerability was found in PHP-Login 1.0. It has been declared as critical. This vulnerability affects the function checkLogin of the file login/scripts/class.loginscript.php of the component POST Parameter Handler. The manipulation of th

How urgent is CVE-2016-15031?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

← Back to latest CVEs