Vulnerability · Published Sep 29, 2025 · Assigned by INCIBE
CVE-2025-11147Reflected Cross-site scripting (XSS) vulnerability in Apt-Cacher-NG
Medium 5.1
In plain English
A medium-severity cross-site scripting in Apt-Cacher-NG from Apt-Cacher-NG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.2%top 92.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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”.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | apt-cacher-ng | no fix listed | DEBIAN-CVE-2025-11147 |
| Debian:13 | apt-cacher-ng | no fix listed | DEBIAN-CVE-2025-11147 |
| Debian:14 | apt-cacher-ng | no fix listed | DEBIAN-CVE-2025-11147 |
| Ubuntu:22.04:LTS | apt-cacher-ng | no fix listed | UBUNTU-CVE-2025-11147 |
| Ubuntu:24.04:LTS | apt-cacher-ng | no fix listed | UBUNTU-CVE-2025-11147 |
| Ubuntu:25.10 | apt-cacher-ng | no fix listed | UBUNTU-CVE-2025-11147 |
| Ubuntu:26.04:LTS | apt-cacher-ng | no fix listed | UBUNTU-CVE-2025-11147 |
| Ubuntu:26.10 | apt-cacher-ng | no fix listed | UBUNTU-CVE-2025-11147 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apt-Cacher-NG | Apt-Cacher-NG | 3.2.1 |
Weakness: CWE-79 · Vector: 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