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    CVE-2025-46339

    FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, it's possible to poison feed favicons by adding a given URL as a feed with the proxy set to an attacker-controlled one and disabled SSL verifying. The favicon hash is computed by hashing the feed URL and the salt, whilst not including the following variables: proxy address, proxy protocol, and whether SSL should be verified. Therefore it's possible to poison a favicon of a given feed by simply intercepting the response of the feed, and changing the website URL to one where a threat actor controls the feed favicon. Feed favicons can be replaced for all users by anyone. Version 1.26.2 fixes the issue.

    Published:Jun 4, 2025
    Last Modified:Aug 12, 2025
    EPS:Jun 4, 2025
    EPSS Score:0.00023
    CVSS Score:4.3

    Affected Products

    Vendor
    Freshrss
    Product
    Freshrss

    Exploits

    https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-8f79-3q3w-43c4

    Related CVEs

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High