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Vulnerabilities

Vulnerability · CVE-2025-11147

Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1.

Published Sep 29, 2025 · catalog updated Sep 29, 2025 · Apt-Cacher-NG Apt-Cacher-NG

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-11147. EPSS is 0.18%. Act only if a listed version of Apt-Cacher-NG Apt-Cacher-NG is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Vendor / distro source
Affected products
vendor Apt-Cacher-NG Apt-Cacher-NG 3.2.1

Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/ .html”.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Apt-Cacher-NG Apt-Cacher-NG 3.2.13.2.1

How to fix CVE-2025-11147

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-11147. EPSS is 0.18%. Act only if a listed version of Apt-Cacher-NG Apt-Cacher-NG is installed.

Which versions are affected?

Compare what you have installed with Apt-Cacher-NG Apt-Cacher-NG 3.2.1 3.2.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 29, 2025 · EUVD

    Detected

    Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/ .html”.

  2. Sep 29, 2025 · EUVD

    Updated

    Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/ .html”.

Sources

  • CVE.orgVulnerability recordCVE-2025-11147

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-11147

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2025-31566

    Reflected cross-site scripting (XSS) in Apt-Cacher-NG v3.2.1. The vulnerability allows malicious scripts (XSS) to be executed in “/html/ .html”.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026