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    CVE-2026-40353

    wger is a free, open-source workout and fitness manager. In versions 2.5 and below, the attribution_link property in AbstractLicenseModel constructs HTML by directly interpolating user-controlled license fields (such as license_author) without escaping, and templates render the result using Django's |safe filter. An authenticated user can create an ingredient with a malicious license_author value containing JavaScript, which executes in the browser of any visitor viewing the ingredient page, resulting in stored XSS. This issue has been fixed in version 2.5.

    Published:Apr 17, 2026
    Last Modified:Apr 24, 2026
    EPS:Apr 17, 2026
    EPSS Score:0.00017
    CVSS Score:5.4

    Affected Products

    Vendor
    Wger
    Product
    Wger
    Vendor
    Wger-project
    Product
    Wger

    Exploits

    https://github.com/wger-project/wger/security/advisories/GHSA-6f54-qjvm-wwq3https://github.com/wger-project/wger/security/advisories/GHSA-6f54-qjvm-wwq3

    Related CVEs

    CVE-2026-86257 (CVSS 4.8) — wger before 2.6 fails to sanitize first_name and last_name fields in the gym member TSV export endpoint, allow…
    CVE-2026-86256 (CVSS 5.1) — wger before 2.6 (affected versions <= 2.5.0) contains an open redirect vulnerability in the trainer_login view…
    CVE-2026-86255 (CVSS 7.1) — wger before 2.5 fails to validate the maximum duration of routine date ranges, allowing authenticated users to…
    CVE-2026-86254 (CVSS 6.1) — wger versions through master contain an incomplete authorization bypass in wger/core/views/user.py where three…
    CVE-2026-40474 (CVSS 7.6) — wger is a free, open-source workout and fitness manager. In versions 2.5 and below, the GymConfigUpdateView de…
    CVE-2026-27839 (CVSS 4.3) — wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, three `nutrition…
    CVE-2026-27838 (CVSS 3.1) — wger is a free, open-source workout and fitness manager. Five routine detail action endpoints check a cache be…
    CVE-2026-27835 (CVSS 4.3) — wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConf…
    CVE-2022-2650 (CVSS 9.8) — Improper Restriction of Excessive Authentication Attempts in GitHub repository wger-project/wger prior to 2.2.…

    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