Video Gallery – Vimeo and YouTube Gallery < 1.1.5 – Admin+ Stored Cross-Site Scripting | CVE 2021-24515 | Plugin Vulnerabilities

Description

The plugin does not escape the Title and Description of the videos in a gallery before outputting them in attributes, leading to Stored Cross-Site Scripting issues

Proof of Concept

Add the following payload in the Title or Description of a Video added in a List/Gallery: "onmouseover=alert(/XSS/)//
Then view the page/post with the embed gallery and move the mouse over the related video to trigger the XSS

If the theme used is TwentyTwentyOne, the following payload can be used to trigger the XSS with minimal user interaction: a" style="animation-name:twentytwentyone-close-button-transition" onanimationend="alert(/XSS/)//

Affects Plugins

smart-grid-gallery

Fixed in 1.1.5

References

CVE

URL

https://www.hackpertise.com/cve/18-cve-2021-24515/

Classification

Type

XSS

OWASP top 10

A7: Cross-Site Scripting (XSS)

CWE

CVSS

Miscellaneous

Original Researcher

Asif Nawaz Minhas

Submitter

Asif Nawaz Minhas

Verified

Yes

WPVDB ID

6bbea7fe-e966-406b-ad06-0206fcc6f0a0

Timeline

Publicly Published

2021-09-21 (about 4 years ago)

Added

2021-09-21 (about 4 years ago)

Last Updated

2023-04-12 (about 2 years ago)

Other

Published

Title

Published

2025-05-29

Title

Minimal Share Buttons < 1.7.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via align Parameter

Published

2025-09-26

Title

WeShare Buttons <= 13.0.0 - Authenticated (Administrator+) Stored Cross-Site Scripting

Published

2024-06-06

Title

Sensei Pro (WC Paid Courses) < 4.24.0.1.24.0 - Authenticated (Student+) Stored Cross-Site Scripting

Published

2025-10-02

Title

Epic Bootstrap Buttons <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via icol Parameter

Published

2023-11-06

Title

Social Feed <= 1.5.4.6 - Author+ Stored XSS