CVE-2016-5834: n/a vulnerability

CVE-2016-5834: Cross-site scripting (XSS) vulnerability in the wp_get_attachment_link function in wp-includes/post-templat...

Cross-site scripting (XSS) vulnerability in the wp_get_attachment_link function in wp-includes/post-template.php in WordPress before 4.5.3 allows remote attackers to inject arbitrary web script or HTML via a crafted attachment name, a different vulnerability than CVE-2016-5833.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 01:15 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-5834 is a WordPress cross-site scripting flaw fixed in WordPress 4.5.3. An attacker could inject script or HTML through a crafted attachment name when wp_get_attachment_link renders it. The main business risk is compromise of users interacting with affected content on old WordPress installs. Exposure is most likely on WordPress sites still running versions before 4.5.3, including older packaged deployments. Risk depends on whether attackers can influence attachment names or affected media metadata. The provided sources do not specify exact privilege requirements or affected configurations beyond WordPress before 4.5.3. Prioritize if any business-critical site still runs WordPress before 4.5.3. For maintained WordPress deployments, urgency is low because the fix has been available since 2016. The key action is legacy asset verification. Mitigation focus: Upgrade WordPress to 4.5.3 or later, preferably a currently supported release.; Check Debian or platform vendor advisories for packaged WordPress updates.; Review media upload and attachment naming permissions on legacy sites..

Prepared: Jun 13, 2026, 14:22 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

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 29, 2016, 14:00 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

5Source 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://wordpress.org/news/2016/06/wordpress-4-5-3/CVE reference · x_refsource_CONFIRM
https://wpvulndb.com/vulnerabilities/8518CVE reference · x_refsource_MISC
https://codex.wordpress.org/Version_4.5.3CVE reference · x_refsource_CONFIRM
https://github.com/WordPress/WordPress/commit/4372cdf45d0f49c74bbd4d60db7281de83e32648CVE reference · x_refsource_CONFIRM

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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