Security readout for executives and security teams
This CVE affects WordPress versions before 4.5.3. A remote attacker could bypass WordPress file-name sanitization protections through unspecified vectors. The public record does not describe the exact impact, payload path, or affected configurations, so urgency depends on whether any WordPress installations remain below 4.5.3. Exposure is most likely on legacy WordPress installations running versions earlier than 4.5.3, including distribution-packaged WordPress if not patched. Modern maintained WordPress deployments should usually be beyond this version, but abandoned sites, snapshots, and unmanaged hosting remain plausible. Treat this as a legacy exposure cleanup item. It is not shown as actively exploited in the supplied sources, but any public WordPress site older than 4.5.3 is far beyond normal support expectations and should be remediated promptly. Mitigation focus: Upgrade WordPress to version 4.5.3 or later.; For Debian-managed WordPress, apply the relevant Debian security update.; Inventory legacy WordPress sites, staging copies, and archived public instances..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-5839 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
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://codex.wordpress.org/Version_4.5.3CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.