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Camaleon CMS Stored Cross-site Scripting vulnerability

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 26, 2023

Package

bundler camaleon_cms (RubyGems)

Affected versions

>= 0.0.1, < 2.6.0.1

Patched versions

2.6.0.1

Description

In “Camaleon CMS” application, versions 0.0.1 through 2.6.0 are vulnerable to stored XSS, that allows unprivileged application users to store malicious scripts in the comments section of the post. These scripts are executed in a victim’s browser when they open the page containing the malicious comment.

References

Published by the National Vulnerability Database Oct 20, 2021
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jan 26, 2023
Last updated Jan 26, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS score

0.071%
(32nd percentile)

Weaknesses

CVE ID

CVE-2021-25969

GHSA ID

GHSA-x78v-4fvj-rg9j

Source code

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