PT-2025-39821 · Unknown+1 · Apt-Cacher-Ng+1

Published 2025-09-29 · Updated 2025-09-29 · CVE-2025-11147

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Apt-Cacher-NG version 3.2.1

Description A reflected cross-site scripting (XSS) issue exists in Apt-Cacher-NG. This allows the execution of malicious scripts within the “/html/.html” path. The vulnerability enables attackers to inject and execute scripts through this endpoint.

Recommendations Update Apt-Cacher-NG to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the “/html/.html” endpoint until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-11147

Affected Products

Apt-Cacher-Ng

Debian

References · 11

• https://cve.org/CVERecord?id=CVE-2025-11147 · Security Note
• https://osv.dev/vulnerability/CVE-2025-11147 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-11147 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-11147 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-11147 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-11147 · Security Note
• https://ubuntu.com/security/CVE-2025-11147 · Vendor Advisory
• https://t.me/CVEtracker/33622 · Telegram Post
• https://incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-apt-cacher-ng · Note
• https://twitter.com/VulmonFeeds/status/1972610828827316445 · Twitter Post
• https://twitter.com/CVEnew/status/1972597893157564885 · Twitter Post