PT-2025-21416 · WordPress · The Full Screen (Page) Background Image Slideshow

Bob Matyas · Published 2025-05-15 · Updated 2025-05-16 · CVE-2024-11221

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: The Full Screen (Page) Background Image Slideshow WordPress plugin versions 1.1 and earlier

Description: The issue concerns the lack of sanitization and escaping of some settings in the plugin, which could allow high-privilege users, such as admins, to perform Stored Cross-Site Scripting attacks. This is possible even when the unfiltered html capability is disallowed, for example, in a multisite setup.

Recommendations: For The Full Screen (Page) Background Image Slideshow WordPress plugin version 1.1 and earlier, update to a version that addresses the sanitization and escaping of settings to prevent Stored Cross-Site Scripting attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2024-11221

Affected Products

The Full Screen (Page) Background Image Slideshow

References · 4

• 🔥 https://wpscan.com/vulnerability/810c2c94-5d35-419c-a993-07a0c7064ce6 · Exploit
• https://osv.dev/vulnerability/CVE-2024-11221 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-11221 · Security Note
• https://twitter.com/CVEnew/status/1923235138030219578 · Twitter Post