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CVE-2023-51371: WordPress Bit Assist Plugin <= 1.1.9 is vulnerable to Cross Site Scripting (XSS)

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-29 · updated 2026-06-17
• Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bit Assist Chat Widget: WhatsApp Chat, Facebook Messenger Chat, Telegram Chat Bubble, Line Messenger, Live Chat Support Chat Button, WeChat, SMS, Call Button, Customer Support Button with floating Chat Widget allows Stored XSS.This issue affects Chat Widget: WhatsApp Chat, Facebook Messenger Chat, Telegram Chat Bubble, Line Messenger, Live Chat Support Chat Button, WeChat, SMS, Call Button, Customer Support Button with floating Chat Widget: from n/a through 1.1.9.

Affected products

• bitpressadmin Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat – Bit Assi: through 1.1.9

References

• https://patchstack.com/database/vulnerability/bit-assist/wordpress-chat-button-plugin-1-1-9-cross-site-scripting-xss-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/bit-assist/wordpress-chat-button-plugin-1-1-9-cross-site-scripting-xss-vulnerability?_s_id=cve

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