CVE-2021-47957CWE-79

WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar_msg

Medium · published May 16, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
8.9
In the wild
Unconfirmed
What it is

Cookie Law Bar 1.2.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting unsanitized input to the Bar Message field. Attackers can inject script payloads through the plugin settings page that execute in the browsers of all WordPress users viewing the site, enabling cookie theft and sensitive data exfiltration.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS
0.00197 · 8.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-05-16T15:26Z
EPSS history
Timeline
  • 16 MAY 15:26Z
    WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar_msg
    cvelistv5