CVE-2024-10034

Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery <= 3.2.4.2 - Authenticated (Editor+) Stored Cross-Site Scripting

2024-11-21 17:21
SE-YEON HWANG

Strategic Overview

Status
Patched in 3.2.4.3
Affected Plugin
SimpLy Gallery
Affected Version
<= 3.2.4.2
CVSS
5.5Medium
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE-2024-10034
View all SimpLy Gallery vulnerabilities

At a glance

CVE-2024-10034 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the SimpLy Gallery WordPress plugin, affecting versions <= 3.2.4.2. It carries a CVSS score of 5.5 (reachable over the network; low attack complexity). Exploitation requires an authenticated account at Editor level or above. The issue is fixed in version 3.2.4.3; sites on affected versions should update now. Disclosed November 2024, reported by SE-YEON HWANG.

Vulnerability Overview

The Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the gallery link text parameter in all versions up to, and including, 3.2.4.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Editor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Reaching this weakness in SimpLy Gallery <= 3.2.4.2 takes an account at Editor level or above. Cross-site scripting happens when input from a request is written into a page without being escaped for the context it lands in, so the browser parses attacker-supplied text as markup or script.

Injected script runs with the privileges of whoever views the affected page, which is how these flaws turn into administrator session theft, silent account creation or persistent backdoors in page content. For SimpLy Gallery the fix is 3.2.4.3: builds <= 3.2.4.2 are affected, anything from 3.2.4.3 onward is not.

Remediation

Update to version 3.2.4.3, or a newer patched version

How does WordSec protect against this?

An attacker needs Editor access first, so the firewall sees the attempt as traffic from a logged-in account: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: SimpLy Gallery 3.2.4.3 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2024-10034https://www.wordfence.com/threat-intel/vulnerabilities/id/89bd70b2-0b5f-4edb-890b-d291bdb8a851https://nvd.nist.gov/vuln/detail/CVE-2024-10034

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C