CVE-2025-15495Public exploitNetwork attack vector

Authenticated code execution via unvalidated logo upload

Published Jan 9, 2026 · Updated Jan 9, 2026

Unrestricted file upload in BiggiDroid Simple PHP CMS 1.0 allows remote authenticated users to execute commands through a site logo. The /admin/editsite.php handler builds an image path from the uploaded filename and moves the file without extension, MIME, or content validation. Administrator access is required; a PHP file stored in the web-accessible image directory executes as a persistent web shell.

CVSS severity4.7
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Unrestricted file upload in BiggiDroid Simple PHP CMS 1.0 allows remote authenticated users to execute commands through a site logo. The /admin/editsite.php handler builds an image path from the uploaded filename and moves the file without extension, MIME, or content validation. Administrator access is required; a PHP file stored in the web-accessible image directory executes as a persistent web shell.

The record

CVE
CVE-2025-15495
Published
Jan 9, 2026
Updated
Jan 9, 2026
Vendor
BiggiDroid
Product
Simple PHP CMS
Classifications
CWE-284, CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

BiggiDroid · Simple PHP CMSversion=1.0

Published CVSS scores

2.0VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4.7VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
5.8VulDBAV:N/AC:L/Au:M/C:P/I:P/A:P
7.2NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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 exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Server Software Component: Web Shell

Public exploit references

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

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo