PT-2025-1855 · WordPress · Chat Support For Viber

Peter Thaleikis · Published 2025-01-07 · Updated 2025-01-07 · CVE-2024-12457

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Chat Support for Viber – Chat Bubble and Chat Button for Gutenberg, Elementor and Shortcode plugin for WordPress versions up to, and including, 1.7.2

Description The issue is related to Stored Cross-Site Scripting via the plugin's 'vchat' shortcode due to insufficient input sanitization and output escaping on user-supplied attributes. This allows authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Recommendations For versions up to, and including, 1.7.2, update to a version that addresses the insufficient input sanitization and output escaping issue. As a temporary workaround, consider restricting access to the 'vchat' shortcode to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2024-12457

Affected Products

Chat Support For Viber

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2024-12457 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/7834c0be-3051-4d97-928e-cf5295c93463?source=cve · Note
• https://twitter.com/CVEnew/status/1876487526891782256 · Twitter Post
• https://plugins.trac.wordpress.org/browser/chat-viber/tags/1.7.4/inc/class-custom-buttons-templates.php#L51 · Note
• https://t.me/cvedetector/14449 · Telegram Post
• https://plugins.trac.wordpress.org/browser/chat-viber/tags/1.7.2/inc/class-custom-buttons-templates.php#L51 · Note