Cross-Site Scripting Flaw in O2OA by O2OA
CVE-2025-9646

5.1MEDIUM

Key Information:

Vendor

O2OA

Status
O2oa
Vendor
CVE Published:
29 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9646?

A security vulnerability has been identified in O2OA versions up to 10.0-410, specifically impacting the file /x_organization_assemble_personal/jaxrs/definition/calendarConfig. This flaw allows attackers to manipulate the 'toMonthViewName' argument, enabling cross-site scripting (XSS) attacks that can be executed remotely. The potential for exploitation is serious, as the exploit has already been made public. The vendor has acknowledged the issue and is planning to release a patch in an upcoming version to address this security concern.

Affected Version(s)

O2OA 10.0-410

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-9646 - Proof of Concept

References

https://vuldb.com/?id.321853
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321853
signaturepermissions-required
https://vuldb.com/?submit.636625
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

meraklbz (VulDB User)
.
CVE-2025-9646 : Cross-Site Scripting Flaw in O2OA by O2OA