CVE-2025-11147

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”.

CVSS 4.0

5.1CVSS: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

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2025-09-29

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

Affected

• apt-cacher-ng_project:apt-cacher-ng

References

• https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-apt-cacher-ng

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