BoyunCMS up to 1.4.20 Index.php image unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in BoyunCMS up to 1.4.20. The impacted element is an unknown function of the file /application/user/controller/Index.php. Such manipulation of the argument image leads to unrestricted upload. This vulnerability is traded as CVE-2025-7100. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in BoyunCMS up to 1.4.20 and classified as critical. Affected by this issue is an unknown function of the file /application/user/controller/Index.php. The manipulation of the argument image with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The advisory is available at note-hxlab.wetolink.com. This vulnerability is handled as CVE-2025-7100. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

The exploit is available at note-hxlab.wetolink.com. It is declared as proof-of-concept. By approaching the search of inurl:application/user/controller/Index.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/05/2025 Advisory disclosed
07/05/2025 +0 days VulDB entry created
09/15/2025 +72 days VulDB entry last update

Sourcesinfo

Advisory: note-hxlab.wetolink.com
Status: Not defined

CVE: CVE-2025-7100 (🔒)
GCVE (CVE): GCVE-0-2025-7100
GCVE (VulDB): GCVE-100-315014
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/05/2025 19:38
Updated: 09/15/2025 20:05
Changes: 07/05/2025 19:38 (39), 07/05/2025 19:40 (20), 07/07/2025 03:50 (30), 09/15/2025 20:05 (12)
Complete: 🔍
Submitter: YELEIPENG
Cache ID: 216:203:103

Submitinfo

Accepted

  • Submit #604455: Boyun Boyun PHPCMS <=1.4.20 arbitrary file upload (by YELEIPENG)

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