Cross-site scripting in Siemens SIMATIC PCS neo
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A vulnerability has been identified in SIMATIC PCS neo (All versions < V4.1). There is a stored cross-site scripting vulnerability in the Administration Console of the affected product, that could allow an attacker with high privileges to inject Javascript code into the application that is later executed by another legitimate user.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA SIMATIC PCS neo (Siemens) Fixed in V4.1
Timeline
- 2026-10-02 Threatist record created from CVE-2023-46099
- 2026-10-03 Alias added: GHSA-mhhf-5vm4-7jg8
References
More Siemens Simatic Pcs Neo vulnerabilities
- TI-2021-03396 Out-of-bounds read in Wibu-Systems CodeMeter CVSS 3.1CRITICAL 9.1
- TI-2025-21515 Out-of-bounds read in Siemens SIMATIC PCS neo V4.1 CVSS 4.0HIGH 8.7
- TI-2025-21514 Out-of-bounds write in Siemens SIMATIC PCS neo V4.1 CVSS 4.0HIGH 8.7
- TI-2023-24750 SQL injection in Siemens SIMATIC PCS neo CVSS 3.1HIGH 8.0
- TI-2023-24902 A vulnerability has been identified in Opcenter Execution Foundation (All versions <… CVSS 3.1HIGH 8.8
- TI-2025-27243 Stack-based buffer overflow in Siemens SIMATIC PCS neo V4.1 CVSS 4.0CRITICAL 9.3
Sources
- CVE-2023-46099 · CVE Program
- CVE-2023-46099 · NVD
- FIRST EPSS
- GHSA-mhhf-5vm4-7jg8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences