CVE-2016-5702: phpMyAdmin 4.6.x before 4.6.3, when the environment lacks a PHP_SELF value, allows remote attackers to conduct

Routine

LOW 3.7REMOTEDOWNGRADE

CVE-2016-5702 is a low-severity flaw (CVSS 3.7) affecting phpmyadmin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

phpMyAdmin 4.6.x before 4.6.3, when the environment lacks a PHP_SELF value, allows remote attackers to conduct cookie-attribute injection attacks via a crafted URI.

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	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-254
Published	2016-07-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: phpmyadmin

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

Am I affected?

Timeline

2016-07-03 01:59 UTCPublished CVE record published
2026-06-17 00:49 UTCUpdated Record last modified

phpmyadmin phpmyadmin DOWNGRADE

Affected: 4.6.0 · 4.6.0 alpha1 · 4.6.0 rc1 · 4.6.0 rc2 · 4.6.1 · 4.6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.6.0

1. Check installed version

apt-cache policy phpmyadmin || rpm -q phpmyadmin || phpmyadmin --version

2. No fixed release: DOWNGRADE to a release before 4.6.0 (Debian / Ubuntu)

apt-cache madison phpmyadmin sudo apt install phpmyadmin=<VERSION_BEFORE_4.6.0> sudo apt-mark hold phpmyadmin

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

dnf --showduplicates list phpmyadmin sudo dnf downgrade phpmyadmin-<VERSION_BEFORE_4.6.0> sudo dnf versionlock add phpmyadmin

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-2016-5702?

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

Is CVE-2016-5702 being exploited?

CVE-2016-5702 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-2016-5702 affect?

CVE-2016-5702 affects phpmyadmin. Severity is low (CVSS 3.7). phpMyAdmin 4.6.x before 4.6.3, when the environment lacks a PHP_SELF value, allows remote attackers to conduct cookie-attribute injection attacks via a crafted URI.

How urgent is CVE-2016-5702?

Priority 37/100. Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities · phpMyAdmin vulnerabilities

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References

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