CVE-2023-49836: WordPress Cookie Bar Plugin <= 2.0 is vulnerable to Cross Site Scripting (XSS)

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-14 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brontobytes Cookie Bar allows Stored XSS.This issue affects Cookie Bar: from n/a through 2.0.

Affected products

Brontobytes Cookie Bar: before 2.1 — fixed in 2.1

How to fix

Upgrade to a fixed version: Brontobytes Cookie Bar 2.1. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/cookie-bar/wordpress-cookie-bar-plugin-2-0-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/cookie-bar/wordpress-cookie-bar-plugin-2-0-cross-site-scripting-xss-vulnerability?_s_id=cve

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