Vulnerabilities in pkg:gem/decidim-meetings

PACKAGE
Advisory Identifier: GHSA-j4h6-gcj7-7v9v
Share
Advisory Summary

CVE-2024-45594 is a MODERATE (CVSS 7.7) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Decidim meetings libraries in the RubyGems ecosystem. The issue involves decidim-meetings cross-site scripting vulnerability in the online or hybrid meeting embeds. Remediation is available by upgrading affected packages to version 0.28.3.

2 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:gem/decidim-meetings

2 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:gem/decidim-meetings. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-j4h6-gcj7-7v9v CVE-2024-45594 MODERATE decidim-meetings Cross-site scripting vulnerability in the online or hybrid meeting embeds
GHSA-jm79-9pm4-vrw9 CVE-2023-34090 HIGH Decidim vulnerable to sensitive data disclosure

CVE-2024-45594 at a Glance

CVE Identifier CVE-2024-45594
GHSA Identifier GHSA-j4h6-gcj7-7v9v
Severity MODERATE
CVSS v3.1 Base Score 7.7
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Decidim meetings
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 7.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required Low (PR:L)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality High (C:H)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2024-45594

To remediate this vulnerability, upgrade all affected Decidim meetings dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

decidim-meetings fixed: 0.28.3 
Upgrade decidim-meetings to 0.28.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for decidim-meetings

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-45594, inspect your project dependencies for Decidim meetings:

inspect dependencies for decidim-meetings

Analyze the terminal output to locate any version of Decidim meetings in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.28.3), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Decidim meetings, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact The meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL. ### Patches Not available ### Workarounds Disable the creation of meetings by participants in the meeting component. ### References OWASP ASVS v4.0.3-5.1.3 ### Credits This issue was discovered in a security audit organized by mitgestalten Partizipationsbüro against Decidim. The security audit was implemented by the Austrian Institute of Technology.

CVE-2024-45594 Affected Decidim meetings Versions

1 component(s)
Fixed Versions:
0.28.3
Product / Package Ecosystem Affected Versions Fixed Version
decidim-meetings
gem/decidim-meetings
RubyGems
≥ 0.28.0
< 0.28.3
0.28.3

References

GitHub Advisory / Wiki ADVISORY
https://github.com/decidim/decidim/security/advisories/GHSA-j4h6-gcj7-7v9v
NVD — CVE-2024-45594 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-45594
Decidim meetings Source Repository REPOSITORY
https://github.com/decidim/decidim
Decidim meetings Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/decidim-meetings/CVE-2024-45594.yml

Frequently Asked Questions

What is CVE-2024-45594?
CVE-2024-45594 is a security vulnerability in Decidim meetings involving decidim-meetings Cross-site scripting vulnerability in the online or hybrid meeting embeds under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Decidim meetings versions are affected?
Affected versions include releases prior to 0.28.3 across affected packages: decidim-meetings.
What version fixes CVE-2024-45594?
Upgrading to 0.28.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is decidim-meetings affected?
Yes, decidim-meetings is affected in releases prior to 0.28.3. Upgrade your dependency to 0.28.3 or later.
What is the CVSS score of CVE-2024-45594?
CVE-2024-45594 has a CVSS v3.1 base score of 7.7 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N.
What CWE is associated with CVE-2024-45594?
CVE-2024-45594 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check RubyGems dependencies for CVE-2024-45594?
Run the dependency tree command: 'inspect dependencies for decidim-meetings'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-j4h6-gcj7-7v9v",
  "modified" : "2026-07-18T17:21:55Z",
  "published" : "2024-11-13T17:24:40Z",
  "aliases" : [ "CVE-2024-45594" ],
  "summary" : "decidim-meetings Cross-site scripting vulnerability in the online or hybrid meeting embeds",
  "details" : "### Impact\n\nThe meeting embeds feature used in the online or hybrid meetings is subject to potential XSS attack through a malformed URL.\n\n### Patches\n\nNot available\n\n### Workarounds\n\nDisable the creation of meetings by participants in the meeting component.\n\n### References\n\nOWASP ASVS v4.0.3-5.1.3\n\n### Credits\n\nThis issue was discovered in a security audit organized by mitgestalten Partizipationsbüro against Decidim. The security audit was implemented by the Austrian Institute of Technology.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "decidim-meetings"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.28.0"
      }, {
        "fixed" : "0.28.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/decidim/decidim/security/advisories/GHSA-j4h6-gcj7-7v9v"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-45594"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/decidim/decidim"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/decidim-meetings/CVE-2024-45594.yml"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-11-13T17:24:40Z",
    "nvd_published_at" : "2024-11-13T17:15:10Z"
  }
}