CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in upcasted AWS S3 for WordPress Plugin – Upcasted upcasted-s3-offload allows Stored XSS.This issue affects AWS S3 for WordPress Plugin – Upcasted: from n/a through <= 3.0.3.
Explanation of Vulnerability in Simple Terms
The AWS S3 for WordPress plugin by Upcasted versions 3.0.3 and earlier contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site users, including administrators. The vulnerability requires user interaction to trigger and can affect other users on the site.
What an attacker can do
Inject malicious scripts that run in other users' browsers when they view affected pages.
Potential impact on your site
Site visitors and admins could have their sessions hijacked, credentials stolen, or be redirected to malicious sites.
Conditions required to exploit
Attacker must have a low-privilege WordPress account and trick a user into viewing a page containing the injected script.
Key dates
External resources
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