VDB-318652 · CVE-2025-8526 · Issue 71

Exrick xboot up to 3.3.4 UploadController.java upload File 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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Exrick xboot up to 3.3.4. This issue affects the function Upload of the file xboot-fast/src/main/java/cn/exrick/xboot/modules/base/controller/common/UploadController.java. Executing a manipulation of the argument File can lead to unrestricted upload. This vulnerability is tracked as CVE-2025-8526. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Exrick xboot up to 3.3.4. It has been declared as critical. This vulnerability affects the function upload of the file xboot-fast/src/main/java/cn/exrick/xboot/modules/base/controller/common/UploadController.java. The manipulation of the argument file with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-8526. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Exrick

Name

xboot

Version

Website

Product: https://github.com/Exrick/xboot/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/04/2025 Advisory disclosed
08/04/2025 +0 days VulDB entry created
08/28/2025 +24 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 71
Status: Not defined

CVE: CVE-2025-8526 (🔒)
GCVE (CVE): GCVE-0-2025-8526
GCVE (VulDB): GCVE-100-318652
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/04/2025 08:56
Updated: 08/28/2025 14:55
Changes: 08/04/2025 08:56 (57), 08/05/2025 07:29 (30), 08/06/2025 05:13 (1), 08/28/2025 14:55 (11)
Complete: 🔍
Submitter: ZAST.AI
Cache ID: 216:14B:103

Submitinfo

Accepted

Submit #622173: Exrick https://github.com/Exrick/xboot <=3.3.4 Unrestricted Upload of File with Dangerous Type (CWE-434) (by ZAST.AI)