CVE-2023-32693 - CVE House

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Status published High CVE-2023-32693

Decidim Cross-site Scripting vulnerability in the external link redirections

8.1 CVSS

Vulnerability Description

Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. The external link feature is susceptible to cross-site scripting. This allows a remote attacker to execute JavaScript code in the context of a currently logged-in user. An attacker could use this vulnerability to make other users endorse or support proposals they have no intention of supporting or endorsing. The problem was patched in versions 0.27.3 and 0.26.7.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from decidim

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Decidim's private data exports can lead to data leaks

Decidim allows cross-site scripting (XSS) in the online or hybrid meeting embeds

Decidim has a cross-site scripting vulnerability in the version control page

Cross-site scripting (XSS) in the decidim admin panel with QuillJS WYSWYG editor

Decidim has cross-site scripting (XSS) in the pagination

Affected Vendor

decidim

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Affected Software

decidim

Vulnerable Versions:

>= 0.25.0, < 0.26.7, >= 0.27.0, < 0.27.3

Timeline

Official Publish: July 11th, 2023

Last Modified: November 4th, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement