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Complianz WordPress plugin vulnerable to cross-site scripting

Moderate severity GitHub Reviewed Published Mar 27, 2023 to the GitHub Advisory Database • Updated Mar 31, 2023

Package

composer really-simple-plugins/complianz-gdpr (Composer)

Affected versions

< 6.4.2

Patched versions

6.4.2

Description

The Complianz Premium WordPress plugin before 6.4.2 did not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

References

Published by the National Vulnerability Database Mar 27, 2023
Published to the GitHub Advisory Database Mar 27, 2023
Reviewed Mar 31, 2023
Last updated Mar 31, 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
Low
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:L/UI:R/S:C/C:L/I:L/A:N

EPSS score

0.058%
(27th percentile)

Weaknesses

CVE ID

CVE-2023-1069

GHSA ID

GHSA-7j4m-f87g-5r9r

Source code

www.github.com/Really-Simple-Plugins/complianz-gdpr/
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