Description
The Simple Popup Newsletter WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/simple-popup-newsletter.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.7.
Published: 2021-08-16
Score: 6.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

Uninstall the plugin

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-21308 The Simple Popup Newsletter WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/simple-popup-newsletter.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.7.
History

Fri, 23 May 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Keszites Simple Popup Newsletter
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2025-05-23T20:02:51.976Z

Reserved: 2021-06-10T00:00:00.000Z

Link: CVE-2021-34658

cve-icon Vulnrichment

Updated: 2024-08-04T00:19:47.809Z

cve-icon NVD

Status : Modified

Published: 2021-08-16T19:15:15.227

Modified: 2026-06-17T03:56:19.210

Link: CVE-2021-34658

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses