funadmin up to 7.1.0-rc6 Frontend Chunked Upload Endpoint UploadService.php chunkUpload 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 (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in funadmin up to 7.1.0-rc6. This impacts the function UploadService::chunkUpload of the file app/common/service/UploadService.php of the component Frontend Chunked Upload Endpoint. Such manipulation of the argument File leads to unrestricted upload. This vulnerability is listed as CVE-2026-7733. The attack may be performed from remote. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in funadmin up to 7.1.0-rc6. It has been rated as critical. Affected by this issue is the function UploadService::chunkUpload of the file app/common/service/UploadService.php of the component Frontend Chunked Upload Endpoint. The manipulation of the argument file 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 shared for download at gitee.com. This vulnerability is handled as CVE-2026-7733. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002.

The exploit is available at gitee.com. It is declared as proof-of-concept. By approaching the search of inurl:app/common/service/UploadService.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 59 is able to eliminate this problem. The bugfix is ready for download at gitee.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 59

Timelineinfo

05/03/2026 Advisory disclosed
05/03/2026 +0 days VulDB entry created
05/03/2026 +0 days VulDB entry last update

Sourcesinfo

Product: gitee.com

Advisory: gitee.com
Status: Confirmed

CVE: CVE-2026-7733 (🔒)
GCVE (CVE): GCVE-0-2026-7733
GCVE (VulDB): GCVE-100-360908
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/03/2026 18:15
Changes: 05/03/2026 18:15 (59)
Complete: 🔍
Submitter: anch0r
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #807559: FunAdmin v<=V7.1.0-rc6 Unrestricted Upload (by anch0r)

Once again VulDB remains the best source for vulnerability data.

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