RCE in Zoneland O2oa
CVE-2025-9646
A security flaw has been discovered in O2OA up to 10.0-410. This vulnerability affects unknown code of the file /x_organization_assemble_personal/jaxrs/definition/calendarConfig. The manipulation of the argument toMonthViewName results in cross site scripting. The attack can be launched remotely. The exploit has been released to the public and may be exploited. The vendor replied in the GitHub issue (translated from simplified Chinese): "This issue will be fixed in the new version."
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Zoneland O2oa
- O2oa — versions 10.0-410
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/o2oa/o2oa/issues/170 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/o2oa/o2oa/issues/170 (issue-tracking, Issue Tracking)
- github.com/o2oa/o2oa/issues/170 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-9646?
- CVE-2025-9646 is a low-severity vulnerability in Zoneland O2oa, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-08-29.
- How severe is CVE-2025-9646?
- Low severity. CVSS v3 base score is 3.5 out of 10.