Which versions of O2OA are affected by CVE-2025-9658?

Organizations using O2OA should be aware of moderate risk from CVE-2025-9658, a cross-site scripting vulnerability rated CVSS 5.1.

Is there a public PoC exploit available for CVE-2025-9658?

Yes, a public proof-of-concept exploit is available for CVE-2025-9658. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-9658?

Within 30 days: Identify affected systems running O2OA and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

O2OA CVE-2025-9658

Q: What is the CVSS score of CVE-2025-9658?

CVE-2025-9658 has a CVSS 4.0 base score of 2.0 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Cross-site Scripting (XSS) (CWE-79)

2025-08-29 cna@vuldb.com

XSS

2.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.0 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.1 (MEDIUM) 2.0 (LOW)

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

PoC Detected

Sep 16, 2025 - 16:27 vuln.today

Public exploit code

CVE Published

Aug 29, 2025 - 16:15 nvd

MEDIUM 5.1

DescriptionCVE.org

A flaw has been found in O2OA up to 10.0-410. Impacted is an unknown function of the file /x_portal_assemble_designer/jaxrs/dict/ of the component Personal Profile Page. This manipulation of the argument name/alias/description causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor replied in the GitHub issue (translated from simplified Chinese): "This issue will be fixed in the new version."

AnalysisAI

A flaw has been found in O2OA up to 10.0-410. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A flaw has been found in O2OA up to 10.0-410. Impacted is an unknown function of the file /x_portal_assemble_designer/jaxrs/dict/ of the component Personal Profile Page. This manipulation of the argument name/alias/description causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor replied in the GitHub issue (translated from simplified Chinese): "This issue will be fixed in the new version." Affected products include: Zoneland O2Oa. Version information: up to 10.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2025-9658 vulnerability details – vuln.today

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