medium6.1
CVE-2021-34658
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-newsl…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Keszites | Simple Popup Newsletter | through 1.4.7 |
Weakness classification
References
- NVD record
- CVE.org record
- https://plugins.trac.wordpress.org/browser/simple-popup-newsletter/trunk/simple-popup-newsletter.php#L319
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34658
- https://plugins.trac.wordpress.org/browser/simple-popup-newsletter/trunk/simple-popup-newsletter.php#L319
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34658