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CVE Record

CVE-2015-9479: The ACF-Frontend-Display plugin through 2015-07-03 for WordPress has arbitrary file upload via an action=up...

The ACF-Frontend-Display plugin through 2015-07-03 for WordPress has arbitrary file upload via an action=upload request to js/blueimp-jQuery-File-Upload-d45deb1/server/php/index.php.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE describes arbitrary file upload in an old WordPress plugin, ACF-Frontend-Display, through the 2015-07-03 version. If exposed, an attacker could potentially place files on the website through a bundled upload component. The public record does not provide a CVSS score, confirmed patch version, or evidence of active exploitation.

Executive priority

Prioritize internet-facing WordPress sites first. Arbitrary file upload can become serious quickly, but urgency should be validated against actual plugin presence because the public record lacks scoring and exploit confirmation.

Technical view

The reported issue is arbitrary file upload via the plugin's bundled blueimp jQuery File Upload PHP handler. The CVE record identifies ACF-Frontend-Display through 2015-07-03. Available sources do not define authentication requirements, file type restrictions, resulting execution impact, or a vendor-fixed version.

Likely exposure

Likely exposure is limited to WordPress sites that still run ACF-Frontend-Display through 2015-07-03 or retain its vulnerable upload component. Evidence is incomplete because the CVE affected-product fields are not normalized.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle. A public Packet Storm reference exists, but the sources provided do not confirm active exploitation in the wild or provide exploitation prevalence.

Researcher notes

Key unknowns are authentication state, allowed file extensions, storage location, code execution conditions, and fixed release status. Treat the Packet Storm reference as public disclosure evidence, not proof of active exploitation.

Mitigation direction

  • Inventory WordPress sites for ACF-Frontend-Display and its installed version.
  • Check vendor or WordPress plugin guidance for fixed versions or removal advice.
  • Disable or remove unsupported affected plugin installations.
  • Review web server exposure of plugin upload endpoints.
  • Investigate uploaded files if the plugin was internet-accessible.

Validation and detection

  • Confirm whether ACF-Frontend-Display is installed on each WordPress site.
  • Verify installed plugin dates or versions against the 2015-07-03 affected boundary.
  • Check whether the bundled upload handler is reachable from the internet.
  • Review web and application logs for unusual upload activity.
  • Inspect WordPress upload and plugin directories for unexpected files.
Prepared
Confidence
medium
Sources
3

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

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2015-9479 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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
2Source links

CVSS and timeline data

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.