CVE-2023-2523: Weaver E-Office unrestricted upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 32.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-04 · updated 2026-06-17
Weakness: CWE-434

Description

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.

Affected products

E-Office: 9.5

References

https://github.com/RCEraser/cve/blob/main/Weaver.md
https://vuldb.com/?ctiid.228014
https://vuldb.com/?id.228014
https://github.com/RCEraser/cve/blob/main/Weaver.md
https://vuldb.com/?ctiid.228014
https://vuldb.com/?id.228014

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