Description
A vulnerability was identified in O2OA up to 9.0.0. This impacts an unknown function of the file /x_program_center/jaxrs/mpweixin/check of the component HTTP POST Request Handler. The manipulation leads to xml external entity reference. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
https://vuldb.com/?id.344640
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.344640
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.745486
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.745489
Exploit, Issue Tracking, Mitigation, Third Party Advisory exploit
issue-tracking
https://github.com/SourByte05/SourByte-Lab/issues/7
Scores
CVSS v3
6.3
EPSS
0.0027
EPSS Percentile
18.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-610
CWE-611
Status
published
Products (1)
zoneland/o2oa
< 9.0.0
Published
Feb 07, 2026
Tracked Since
Feb 18, 2026