Cross Site Scripting (XSS) vulnerability in BoxBilling 4.19, 4.19.1, 4.20, and 4.21…
Priority MEDIUM 60CWE-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
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Cross Site Scripting (XSS) vulnerability in BoxBilling 4.19, 4.19.1, 4.20, and 4.21 allows remote attackers to run arbitrary code via the message field on the submit new ticket form.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00514 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:boxbilling:boxbilling:4.19:*:*:*:*:*:*:* | 4.19 | Vulnerable | boxbilling |
| cpe:2.3:a:boxbilling:boxbilling:4.19.1:*:*:*:*:*:*:* | 4.19.1 | Vulnerable | boxbilling |
| cpe:2.3:a:boxbilling:boxbilling:4.20:*:*:*:*:*:*:* | 4.20 | Vulnerable | boxbilling |
| cpe:2.3:a:boxbilling:boxbilling:4.21:*:*:*:*:*:*:* | 4.21 | Vulnerable | boxbilling |
- cpe:2.3:a:boxbilling:boxbilling:4.19:*:*:*:*:*:*:* Versions 4.19 Vulnerable ·boxbilling
- cpe:2.3:a:boxbilling:boxbilling:4.19.1:*:*:*:*:*:*:* Versions 4.19.1 Vulnerable ·boxbilling
- cpe:2.3:a:boxbilling:boxbilling:4.20:*:*:*:*:*:*:* Versions 4.20 Vulnerable ·boxbilling
- cpe:2.3:a:boxbilling:boxbilling:4.21:*:*:*:*:*:*:* Versions 4.21 Vulnerable ·boxbilling
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-23647
- 2026-10-03 Alias added: GHSA-7562-6p6m-r4fh
References
More Boxbilling vulnerabilities
- TI-2022-03271 Unrestricted Upload of File with Dangerous Type in boxbilling/boxbilling CVSS 3.1HIGH 7.2
Sources
- CVE-2020-23647 · CVE Program
- CVE-2020-23647 · NVD
- FIRST EPSS
- GHSA-7562-6p6m-r4fh · 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