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CVE-2023-2523

CriticalPublished

Weaver E-Office unrestricted upload

Published: May 4, 2023
Updated: Aug 2, 2024
Assigning CNA: VulDB
Evidence observed: Aug 7, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

32.9%

Moderate · next 30 days

Percentile: 98.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A vulnerability was found in Weaver E-Office 9.5. It has been rated as critical. Affected by this issue is some unknown functionality of the file App/Ajax/ajax.php?action=mobile_upload_save. The manipulation of the argument upload_quwan leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-228014 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Sources

CVE-2023-2523PoC
Proof-of-concept exploit for CVE-2023-2523, demonstrating the vulnerability and providing exploitation code for security testing.
cve-2023-2523-and-cve-2023-2648Exploit
泛微 cve-2023-2523-and-cve-2023-2648

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