BaseFortify

Publication date: 2025-09-29

Last updated on: 2025-10-16

Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)

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”.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-09-29

Last Modified

2025-10-16

Generated

2026-07-06

AI Q&A

2025-09-29

EPSS Evaluated

2026-07-05

NVD

CVE-2025-11147

Affected Vendors & Products

Vendor	Product	Version / Range
apt-cacher-ng_project	apt-cacher-ng	3.2-1

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

CVE-2025-11147 is a reflected cross-site scripting (XSS) vulnerability in Apt-Cacher-NG version 3.2.1. It occurs because the application improperly handles input in the URL path "/html/<filename>.html", allowing attackers to inject and execute malicious scripts in the context of the web application. This can lead to unauthorized script execution when a user accesses a crafted URL.

Impact Analysis

This vulnerability can allow attackers to execute malicious scripts in the context of the Apt-Cacher-NG web interface, potentially compromising user interactions. This could lead to theft of sensitive information, session hijacking, or other malicious actions performed on behalf of the user.

Mitigation Strategies

Update Apt-Cacher-NG to the latest software release where the vulnerability has been fixed. Avoid using vulnerable versions such as 3.2.1. Additionally, restrict access to the web management interface to trusted users to reduce the risk of exploitation. [1]

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