CVE-2021-34658
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductKeszites Simple Popup Newsletter
PublishedAug 16, 2021
First seenAug 16, 2021
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| keszites simple_popup_newsletter | v ≤ 1.4.7 | — |
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