The caddy-security plugin 1.1.20 for Caddy allows reflected XSS via a GET request to a…
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 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
The caddy-security plugin 1.1.20 for Caddy allows reflected XSS via a GET request to a URL that contains an XSS payload and begins with either a /admin or /settings/mfa/delete/ substring.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00373 31st percentileScored 2026-11-07
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 |
| — | github.com/greenpau/caddy-security (Go) | up to 1.1.20 | — | No fix listed | GHSA-xwmv-cx7p-fqfc |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/greenpau/caddy-security (Go) Vendor— Affected up to 1.1.20 Fixed in — No fix listed GHSA-xwmv-cx7p-fqfc
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:authcrunch:caddy-security:1.1.20:*:*:*:*:*:*:* | 1.1.20 | Vulnerable | Authcrunch |
- cpe:2.3:a:authcrunch:caddy-security:1.1.20:*:*:*:*:*:*:* Versions 1.1.20 Vulnerable ·Authcrunch
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-52430
- 2026-10-03 Alias added: GHSA-xwmv-cx7p-fqfc
References
Advisory 3
More Authcrunch Caddy-security vulnerabilities
- TI-2024-14249 Insufficient session expiration in github.com/greenpau/caddy-security CVSS 3.1HIGH 8.1
- TI-2024-14255 Server-side request forgery in github.com/greenpau/caddy-security CVSS 3.1MEDIUM 5.3
- TI-2024-14257 Missing brute-force protection in github.com/greenpau/caddy-security CVSS 3.1MEDIUM 6.5
- TI-2024-14253 Cross-site scripting in github.com/greenpau/caddy-security CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-52430 · CVE Program
- CVE-2023-52430 · NVD
- FIRST EPSS
- GHSA-xwmv-cx7p-fqfc · 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