CVE-2025-4531Network attack vector

Authenticated code injection via payrollId template handling

Published May 11, 2025 · Updated May 12, 2025

Code injection in the Beetl Template Handler in Seeyon Zhiyuan OA Web Application System 8.1 SP2 allows remote authenticated users to execute code. The postData method in EhrSalaryPayrollServiceImpl.class passes attacker-controlled payrollId content into Beetl template handling without neutralizing code syntax. Low-privilege access to the remote interface is required; the resulting execution context and exact commands available are not publicly described.

CVSS severity8.8
High
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in the Beetl Template Handler in Seeyon Zhiyuan OA Web Application System 8.1 SP2 allows remote authenticated users to execute code. The postData method in EhrSalaryPayrollServiceImpl.class passes attacker-controlled payrollId content into Beetl template handling without neutralizing code syntax. Low-privilege access to the remote interface is required; the resulting execution context and exact commands available are not publicly described.

The record

CVE
CVE-2025-4531
Published
May 11, 2025
Updated
May 12, 2025
Vendor
Beijing Seeyon Internet Software Corp.
Product
Zhiyuan OA Web Application System
Classifications
CWE-74, CWE-94, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 11, 2025CVE publishedPublication date reported by the CVE source.
  2. May 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.1 SP2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Beijing Seeyon Internet Software Corp. · Zhiyuan OA Web Application Systemversion=8.1 SP2

Published CVSS scores

6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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