Seeyon Zhiyuan OA Web Application System < 7.0 SP1 Authentication Bypass

Seeyon Zhiyuan OA Web Application System versions up to and including 7.0 SP1 improperly decode and parse the `enc` parameter in thirdpartyController.do. The decoded map values can influence session attributes without sufficient authentication/authorization checks, enabling attackers to assign a session to arbitrary user IDs. VulnCheck has observed this vulnerability being exploited in the wild as of 2025-10-30 at 00:30:40.855917 UTC.

Cross site scripting vulnerability in seeyon Zhiyuan A8+ Collaborative Management Software 7.0 via the topValue parameter to the seeyon/main.do endpoint.

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: The vendor mentioned in the original disclosure filed a report that this issue affects a different vendor. The researcher was not able to provide a proof for his disputed claim which is why the CNA decided to revoke the whole entry.

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: The vendor mentioned in the original disclosure filed a report that this issue affects a different vendor. The researcher was not able to provide a proof for his disputed claim which is why the CNA decided to revoke the whole entry.

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: The vendor mentioned in the original disclosure filed a report that this issue affects a different vendor. The researcher was not able to provide a proof for his disputed claim which is why the CNA decided to revoke the whole entry.

Seeyon Zhiyuan OA Web Application System URL Parameter date.jsp cross site scripting

A vulnerability, which was classified as problematic, has been found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. This issue affects some unknown processing of the file seeyon\opt\Seeyon\A8\ApacheJetspeed\webapps\seeyon\common\js\addDate\date.jsp of the component URL Parameter Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Seeyon Zhiyuan OA Web Application System ssoproxy.jsp cross site scripting

A vulnerability, which was classified as problematic, was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. Affected is an unknown function of the file seeyon\opt\Seeyon\A8\ApacheJetspeed\webapps\seeyon\ssoproxy\jsp\ssoproxy.jsp. The manipulation of the argument Name leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Seeyon Zhiyuan OA Web Application System ZIP File M3CoreController.class download path traversal

A vulnerability was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. It has been classified as problematic. Affected is the function Download of the file seeyon\opt\Seeyon\A8\ApacheJetspeed\webapps\seeyon\WEB-INF\lib\seeyon-apps-m3.jar!\com\seeyon\apps\m3\core\controller\M3CoreController.class of the component ZIP File Handler. The manipulation of the argument Name leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Seeyon Zhiyuan OA Web Application System Beetl Template EhrSalaryPayrollServiceImpl.class postData code injection

A vulnerability was found in Seeyon Zhiyuan OA Web Application System 8.1 SP2. It has been rated as critical. Affected by this issue is the function postData of the file ROOT\WEB-INF\classes\com\ours\www\ehr\salary\service\data\EhrSalaryPayrollServiceImpl.class of the component Beetl Template Handler. The manipulation of the argument payrollId leads to code injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Seeyon Zhiyuan Interconnect FE Collaborative Office Platform check.js%70 sql injection

A vulnerability was found in Seeyon Zhiyuan Interconnect FE Collaborative Office Platform 5.5.2 and classified as critical. This issue affects some unknown processing of the file /sysform/042/check.js%70. The manipulation of the argument Name leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Cross-Site Scripting (XSS) vulnerability in Zhiyuan G6 Government Collaboration System V6.1SP1, via the 'method' parameter to 'seeyon/hrSalary.do'.