CVE-2025-11147
Reflected Cross-site scripting (XSS) vulnerability in Apt-Cacher-NG
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Active
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.1
Reflected Cross-site scripting (XSS) vulnerability in Apt-Cacher-NG
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
- Record
CVE-2025-11147- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-31566
5.1
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
- Record
EUVD-2025-31566- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c3mh-jph2-cvxh
5.1
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious...
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
- Record
GHSA-c3mh-jph2-cvxh- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
5.1
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
- Record
CVE-2025-11147- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
5.4
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
- Record
CVE-2025-11147- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2025-11147
5.4
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
- Record
DEBIAN-CVE-2025-11147- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-11147
5.1
Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/<filename>.html”.
- Record
UBUNTU-CVE-2025-11147- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apt-cacher-ngDebian:12 |
All versions, plus listed versions 3.7.4-13.7.4-1.13.7.5-13.7.5-1.13.7.5-1.23.7.5-1.3 |
None known |
apt-cacher-ngDebian:13 |
All versions, plus listed versions 3.7.5-13.7.5-1.13.7.5-1.23.7.5-1.3 |
None known |
apt-cacher-ngDebian:14 |
All versions, plus listed versions 3.7.5-13.7.5-1.13.7.5-1.23.7.5-1.3 |
None known |
apt-cacher-ngUbuntu:16.04:LTS |
All versions, plus listed versions 0.8.5-10.8.6-10.8.7-10.8.8-10.8.9-10.8.9-1ubuntu10.9.1-1ubuntu1 |
None known |
apt-cacher-ngUbuntu:18.04:LTS |
All versions, plus listed versions 3-53.1-13.1-1build1 |
None known |
apt-cacher-ngUbuntu:20.04:LTS |
All versions, plus listed versions 3.2-23.2-33.3-23.3.1-13.3.1-23.3.1-2build1 |
None known |
apt-cacher-ngUbuntu:22.04:LTS |
All versions, plus listed versions 3.6.4-13.7.3-13.7.3-1build13.7.4-13.7.4-1build1 |
None known |
apt-cacher-ngUbuntu:24.04:LTS |
All versions, plus listed versions 3.7.4-1ubuntu13.7.4-1ubuntu23.7.4-1ubuntu43.7.4-1ubuntu53.7.4-1ubuntu5.24.04.1 |
None known |
apt-cacher-ngUbuntu:25.10 |
All versions, plus listed versions 3.7.5-1 |
None known |
apt-cacher-ngUbuntu:26.10 |
All versions, plus listed versions 3.7.5-1.13.7.5-1.1build13.7.5-1.23.7.5-1.3 |
None known |
apt-cacher-ngUbuntu:26.04:LTS |
All versions, plus listed versions 3.7.5-13.7.5-1.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-11147 is a medium vulnerability (CVSS 5.1) in Apt-cacher-ng, published September 29, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.