CVE-2023-34089: Decidim Cross-site Scripting vulnerability in the processes filter
Impact
The processes filter 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.
Patches
The problem was patched in v0.27.3 and v0.26.7
Other sources
Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. The processes filter 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 version 0.27.3 and 0.26.7.
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
rubygems/decidim-coreto a version that resolves this vulnerability.Fixed in 0.26.7 - Upgrade
Upgrade
rubygems/decidimto a version that resolves this vulnerability.Fixed in 0.26.7 - Upgrade
Upgrade
rubygems/decidim-coreto a version that resolves this vulnerability.Fixed in 0.27.3 - Upgrade
Upgrade
rubygems/decidimto a version that resolves this vulnerability.Fixed in 0.27.3 - Upgrade
Upgrade
decidimto a version that resolves this vulnerability.Fixed in 0.27.3 - Upgrade
Upgrade
decidimto a version that resolves this vulnerability.Fixed in 0.26.7
Event History
Frequently Asked Questions
What is CVE-2023-34089?
CVE-2023-34089 is a vulnerability in the processes filter feature of the Decidim participatory democracy framework that allows cross-site scripting (XSS) attacks.
How does CVE-2023-34089 impact Decidim?
CVE-2023-34089 allows a remote attacker to execute JavaScript code in the context of a user's browser, potentially leading to unauthorized access, data theft, or other malicious activities.
What is the severity of CVE-2023-34089?
CVE-2023-34089 has a severity rating of 8.1, which is considered high.
Which versions of Decidim are affected by CVE-2023-34089?
Versions up to and including 0.27.3 of Decidim are affected by CVE-2023-34089.
How can I fix CVE-2023-34089 in Decidim?
To fix CVE-2023-34089, it is recommended to update to version 0.27.4 or later of Decidim.