CVE-2021-47957

WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar_msg

Published May 16, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Cookielawinfo
Cookielawinfo cookie Law Bar
Wordpress
Wordpress wordpress
Vendors & Products Cookielawinfo
Cookielawinfo cookie Law Bar
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description 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.
Title WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar_msg
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 24, 2026, 1:37 AM
Reserved
Feb 1, 2026, 11:24 AM
Status
Deferred
Published
May 16, 2026, 4:16 PM
Modified
Jun 17, 2026, 4:18 AM