CVE-2025-31483 – Miniflux Cross-Site Scripting (XSS)

The following table lists the changes that have been made to the
CVE-2025-31483 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Apr. 03, 2025

    Action Type Old Value New Value
    Added Description Miniflux is a feed reader. Due to a weak Content Security Policy on the /proxy/* route, an attacker can bypass the CSP of the media proxy and execute cross-site scripting when opening external images in a new tab/window. To mitigate the vulnerability, the CSP for the media proxy has been changed from default-src ‘self’ to default-src ‘none’; form-action ‘none’; sandbox;. This vulnerability is fixed in 2.2.7.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-79
    Added Reference https://github.com/miniflux/v2/commit/cb695e653a08af4cabcb277c271ce74bd0c746e6
    Added Reference https://github.com/miniflux/v2/security/advisories/GHSA-cq88-842x-2jhp
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