Is CVE-2023-2523 actively exploited?

Yes. CVE-2023-2523 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-2523 be exploited remotely?

The attack vector of CVE-2023-2523 has not been classified yet.

What is the CVSS score of CVE-2023-2523?

CVE-2023-2523 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-2523

UNKNOWNCISA KEVIN THE WILD

CVE-2023-2523

Published: May 14, 2026

EPSS:93.02%probability of exploitation in 30 daysPercentile:99.8th

Official 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.

NVD Source

Risk Analysis

This critical vulnerability in Weaver E-Office 9.5 allows for unrestricted file upload through the 'mobile_upload_save' action. Its inclusion in CISA's KEV catalog confirms active exploitation, making it an urgent threat despite the lack of a CVSS score.

This vulnerability is actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. The attack can be launched remotely.

Recommended Action

As the vendor has not responded, it is recommended to restrict access to the 'App/Ajax/ajax.php' file, especially the 'mobile_upload_save' action, and implement strict file upload validation and content filtering.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-2523 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-2523 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.