{"vulnerability": "CVE-2021-34658", "sightings": [{"uuid": "1c7bd5a3-774f-462b-99c7-382a1717a784", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-34658", "type": "seen", "source": "https://t.me/cibsecurity/27408", "content": "\u203c CVE-2021-34658 \u203c\n\nThe 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.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-16T22:15:08.000000Z"}, {"uuid": "9e59a338-2f36-41a3-905f-228201c4ae89", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-34658", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/17467", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-34658\n\ud83d\udd25 CVSS Score: 6.1 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)\n\ud83d\udd39 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.\n\ud83d\udccf Published: 2021-08-16T18:22:38.268Z\n\ud83d\udccf Modified: 2025-05-23T20:02:51.976Z\n\ud83d\udd17 References:\n1. https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34658\n2. https://plugins.trac.wordpress.org/browser/simple-popup-newsletter/trunk/simple-popup-newsletter.php#L319", "creation_timestamp": "2025-05-23T20:48:50.000000Z"}]}