Cross-site scripting in SteVe
Priority LOW 27CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
SteVe is an open platform that implements different version of the OCPP protocol for Electric Vehicle charge points, acting as a central server for management of registered charge points. Attackers can inject arbitrary HTML and Javascript code via WebSockets leading to persistent Cross-Site Scripting in the SteVe management interface.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00399 34th percentileScored 2026-11-07
Fix Fixed SteVe: 3.5.1, 3.6.1, 3.7.1
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | SteVe | before 3.5.1; 3.6.0 to before 3.6.1; 3.7.0 to before 3.7.1 | 3.5.1, 3.6.1, 3.7.1 | Patch available | CNA |
- SteVe Vendor— Affected before 3.5.1; 3.6.0 to before 3.6.1; 3.7.0 to before 3.7.1 Fixed in 3.5.1, 3.6.1, 3.7.1 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:steve-community:steve:*:*:*:*:*:*:*:* | up to 3.5.1 | Vulnerable | steve-community |
| cpe:2.3:a:steve-community:steve:3.6.0:*:*:*:*:*:*:* | 3.6.0 | Vulnerable | steve-community |
| cpe:2.3:a:steve-community:steve:3.7.0:*:*:*:*:*:*:* | 3.7.0 | Vulnerable | steve-community |
- cpe:2.3:a:steve-community:steve:*:*:*:*:*:*:*:* Versions up to 3.5.1 Vulnerable ·steve-community
- cpe:2.3:a:steve-community:steve:3.6.0:*:*:*:*:*:*:* Versions 3.6.0 Vulnerable ·steve-community
- cpe:2.3:a:steve-community:steve:3.7.0:*:*:*:*:*:*:* Versions 3.7.0 Vulnerable ·steve-community
Remediation
- Fix · CNA SteVe Fixed in 3.5.1, 3.6.1, 3.7.1
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21550
- 2026-10-03 Alias added: GHSA-g97m-fwww-wqf3
References
Patch 3
More steve-community Steve vulnerabilities
- TI-2024-16726 SteVe v3.6.0 was discovered to use predictable transaction ID's when receiving a… CVSS 3.1HIGH 7.5
- TI-2024-30014 An issue in the web socket handshake process of SteVe v3.7.1 allows attackers to bypass… CVSS 3.1MEDIUM 5.9
- TI-2026-22565 Improper access control in steve-community steve CVSS 4.0MEDIUM 5.7
Sources
- CVE-2024-21550 · CVE Program
- CVE-2024-21550 · NVD
- FIRST EPSS
- GHSA-g97m-fwww-wqf3 · 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