Vulnerability · Published Nov 1, 2021 · Assigned by Wordfence

CVE-2021-38356NextScripts: Social Networks Auto-Poster <= 4.3.20 Reflected Cross-Site Scripting

Medium 6.1

In plain English

A medium-severity cross-site scripting in NextScripts: Social Networks Auto-Poster from NextScripts. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.9%top 40.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The NextScripts: Social Networks Auto-Poster <= 4.3.20 WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the $_REQUEST['page'] parameter which is echoed out on inc/nxs_class_snap.php by supplying the appropriate value 'nxssnap-post' to load the page in $_GET['page'] along with malicious JavaScript in $_POST['page'].

Affected products (as reported)

Vendor	Product	Versions
NextScripts	NextScripts: Social Networks Auto-Poster	4.3.20 – through 4.3.20

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

https://www.wordfence.com/blog/2021/10/xss-vulnerability-in-nextscripts-social-networks-auto-poster-plugin-impacts-100000-sites/ x_refsource_MISC