CVE-2016-9856: n/a vulnerability

CVE-2016-9856: An XSS issue was discovered in phpMyAdmin because of an improper fix for CVE-2016-2559 in PMASA-2016-10.

An XSS issue was discovered in phpMyAdmin because of an improper fix for CVE-2016-2559 in PMASA-2016-10. This issue is resolved by using a copy of a hash to avoid a race condition. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 02:59 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-9856 is a cross-site scripting flaw in phpMyAdmin caused by an incomplete earlier fix. An affected phpMyAdmin interface could expose users to browser-side script execution. The provided sources name fixed versions but do not provide CVSS scoring or exploitation evidence. Exposure is limited to environments still running the listed legacy phpMyAdmin versions. The bundle does not identify specific platforms beyond phpMyAdmin, though Gentoo published a related advisory. Prioritize remediation where phpMyAdmin is reachable by administrators or exposed beyond trusted management networks. The issue is old and fixed, but unsupported legacy deployments remain the main business risk. Mitigation focus: Upgrade phpMyAdmin beyond the affected version ranges named in the advisory.; Review phpMyAdmin vendor guidance for any branch-specific upgrade instructions.; Remove or restrict access to obsolete phpMyAdmin deployments where upgrade is delayed..

Prepared: Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 11, 2016, 02:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://www.phpmyadmin.net/security/PMASA-2016-64CVE reference · x_refsource_CONFIRM
GLSA-201701-32CVE reference · vendor-advisory, x_refsource_GENTOO

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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