CVE-2025-15495
Published: 09 January 2026
Summary
CVE-2025-15495 is a medium-severity Improper Access Control (CWE-284) vulnerability in Biggidroid Simple Php Cms. Its CVSS base score is 4.7 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 8.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
This control enforces ownership-based restrictions on portable storage device use, directly implementing access control over media insertion into organizational systems.
Hardware write-protect enforces access control on critical resources (e.g., firmware) independent of software state.
The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.
Device lock enforces restricted access until re-authentication, directly reducing unauthorized use of active sessions.
Supervision and review of access control activities directly detects and remediates improper access configurations or usages.
Explicitly identifying and documenting actions permitted without identification or authentication enforces proper access control boundaries by defining justified exceptions.
By automatically labeling outputs with security attributes, the control supports attribute-based enforcement and reduces exploitability of improper access control weaknesses.
Associating and retaining security attributes with data directly supports enforcement of access control decisions across storage, processing, and transmission.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Unrestricted file upload (CWE-434) in a public-facing PHP CMS admin endpoint directly enables web shell deployment (T1505.003) after exploiting the exposed application (T1190).
NVD Description
A vulnerability was found in BiggiDroid Simple PHP CMS 1.0. This impacts an unknown function of the file /admin/editsite.php. The manipulation of the argument image results in unrestricted upload. The attack can be launched remotely. The exploit has been made…
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public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Deeper analysisAI
CVE-2025-15495 is a vulnerability in BiggiDroid Simple PHP CMS version 1.0 that affects an unknown function in the file /admin/editsite.php. It enables unrestricted file upload through manipulation of the image argument, as classified under CWE-284 (Improper Access Control) and CWE-434 (Unrestricted Upload of File with Dangerous Type). The issue was published on 2026-01-09 with a CVSS v3.1 base score of 4.7 (AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L).
A remote attacker can exploit this vulnerability over the network with low attack complexity and no user interaction required, but it necessitates high privileges (PR:H), such as administrative access. Successful exploitation allows limited impacts on confidentiality, integrity, and availability, potentially enabling malicious file uploads that could lead to further compromise depending on the uploaded content.
Advisories referenced in VulDB entries (ctiid.340273, id.340273, submit.725890) detail the issue, while a Gitee issue (IDGO28) and a GitHub repository (Asim-QAZi/RCE-Simplephpblog-biggiedroid) provide additional context and a public exploit. The vendor was contacted early for disclosure but did not respond, and no patches or official mitigations are mentioned.
The exploit has been made public and could be used in attacks against affected instances.
Details
- CWE(s)