CVE-2014-4954: Cross-site scripting (XSS) vulnerability in the PMA_getHtmlForActionLinks function in libraries/structure.lib.

Routine

LOW 3.5DOWNGRADE

CVE-2014-4954 is a low-severity flaw (CVSS 3.5) affecting phpmyadmin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the PMA_getHtmlForActionLinks function in libraries/structure.lib.php in phpMyAdmin 4.2.x before 4.2.6 allows remote authenticated users to inject arbitrary web script or HTML via a crafted table comment that is improperly handled during construction of a database structure page.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.5 (Low)
EPSS exploit chance	1.5% (top 27%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-07-20
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

2014-07-20 11:12 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

phpmyadmin phpmyadmin DOWNGRADE

Affected: 4.2.0 · 4.2.1 · 4.2.2 · 4.2.3 · 4.2.4 · 4.2.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.2.0 (Debian / Ubuntu)

apt-cache madison phpmyadmin sudo apt install phpmyadmin=<VERSION_BEFORE_4.2.0> sudo apt-mark hold phpmyadmin

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

dnf --showduplicates list phpmyadmin sudo dnf downgrade phpmyadmin-<VERSION_BEFORE_4.2.0> 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-2014-4954?

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

Is CVE-2014-4954 being exploited?

CVE-2014-4954 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-2014-4954 affect?

CVE-2014-4954 affects phpmyadmin. Severity is low (CVSS 3.5). Cross-site scripting (XSS) vulnerability in the PMA_getHtmlForActionLinks function in libraries/structure.lib.php in phpMyAdmin 4.2.x before 4.2.6 allows remote authenticated users to inject arbitrary web script or HTML via a crafted table

How urgent is CVE-2014-4954?

Priority 31/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities · phpMyAdmin vulnerabilities

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References

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