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    CVE-2023-36465

    Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. The `templates` module doesn't enforce the correct permissions, allowing any logged-in user to access to this functionality in the administration panel. An attacker could use this vulnerability to change, create or delete templates of surveys. This issue has been patched in version 0.26.8 and 0.27.4.

    Published:Oct 6, 2023
    Last Modified:Nov 21, 2024
    EPS:Oct 6, 2023
    EPSS Score:0.0007
    CVSS Score:9.1

    Affected Products

    Vendor
    Decidim
    Product
    Decidim

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
    CAPEC-122 Privilege Abuse
    CAPEC-127 Directory Indexing
    CAPEC-17 Using Malicious Files
    CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-206 Signing Malicious Code
    CAPEC-234 Hijacking a privileged process
    CAPEC-441 Malicious Logic Insertion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-578 Disable Security Software
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-61 Session Fixation
    CAPEC-62 Cross Site Request Forgery
    CAPEC-642 Replace Binaries

    Related CVEs

    CVE-2026-45378 (CVSS 7.5) — Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 …
    CVE-2026-45573 (CVSS 6.4) — Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 …
    CVE-2026-45572 (CVSS 4.8) — Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 …
    CVE-2026-45415 (CVSS 6) — Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 …
    CVE-2026-45414 (CVSS 8.5) — Decidim is a participatory democracy framework. Prior to 0.31.5 and in 0.32.0.rc1 before 0.32.0.rc2, JWT-backe…
    CVE-2026-45377 (CVSS 6.5) — Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 …
    CVE-2026-45376 (CVSS 5.5) — Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 …
    CVE-2026-45330 (CVSS 4.9) — Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 …
    CVE-2026-45086 (CVSS 5.4) — Decidim is a participatory democracy framework. From 0.31.1 before 0.31.5 and in 0.32.0.rc1 before 0.32.0.rc2,…
    CVE-2026-40869 (CVSS 7.5) — Decidim is a participatory democracy framework. Starting in version 0.19.0 and prior to versions 0.30.5 and 0.…

    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