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added back CVE-2021-36873

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Muhammad Daffa 2022-12-09 15:26:25 +07:00
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CVEs/2021/CVE-2021-36873.md
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# CVE-2021-36873
## Description
Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions <= 1.2.11). Vulnerable parameter: &blockcountry_blockmessage.
Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions <= 1.2.11). Vulnerable parameter: `&blockcountry_blockmessage`.
## CVSS (Vector and Score)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N - 5.5 MEDIUM
@ -17,9 +17,15 @@ WordPress iQ Block Country plugin
## Steps to Reproduce
1. Login as administrator
2.
2. Go to http://localhost/wp-admin/options-general.php?page=iq-block-country%2Flibs%2Fblockcountry-settings.php
3. Find `Message to display when people are blocked:` form
4. Input `</textarea><script>alert(1)</script>`
5. Scroll down and press `Save Changes` button
## Proof of Concept
- Image
- Video
> https://youtu.be/WtOiHY5R-t0
- Image
![image](https://user-images.githubusercontent.com/36522826/202700374-52d36350-adff-4fe3-b46d-21f08955e8c6.png)