CVE-2024-34416Network attack vector

Administrator arbitrary file upload via missing type validation

Published May 13, 2024 · Updated Apr 28, 2026

Unrestricted file upload in PhpSword Pk Favicon Manager 2.1 and earlier allows remote authenticated users to upload arbitrary server files. The plugin accepts favicon uploads without validating the file type, allowing dangerous content to be stored on the WordPress server. Administrator-level access is required, and executable uploads can yield remote code execution where the server processes the stored file.

CVSS severity9.1
Critical
EPSS probability0.82%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in PhpSword Pk Favicon Manager 2.1 and earlier allows remote authenticated users to upload arbitrary server files. The plugin accepts favicon uploads without validating the file type, allowing dangerous content to be stored on the WordPress server. Administrator-level access is required, and executable uploads can yield remote code execution where the server processes the stored file.

The record

CVE
CVE-2024-34416
Published
May 13, 2024
Updated
Apr 28, 2026
Vendor
PhpSword
Product
Pk Favicon Manager
Classifications
CWE-434, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

PhpSword · Pk Favicon Managerversion=n/a <=2.1

Published CVSS scores

9.1PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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