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A Cross-site Scripting (XSS) vulnerability was discovered in PageLayer, a WordPress page builder plugin, affecting versions up to 1.8.7. The vulnerability was reported on August 8, 2024, and published by Patchstack on August 28, 2024. This stored XSS vulnerability requires administrator-level privileges to exploit (Patchstack).
The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) with a CVSS v3.1 base score of 4.8 (MEDIUM) according to NIST's assessment (Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N). Patchstack assigned a slightly higher CVSS score of 5.9 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L (NVD).
The vulnerability could allow a malicious actor with administrator privileges to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).
The vulnerability has been fixed in PageLayer version 1.8.8. Users are advised to update to version 1.8.8 or later to remove the vulnerability. Patchstack users can enable auto-update functionality for vulnerable plugins (Patchstack).
Source: This report was generated using AI
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