What is CVE-2021-38356?

CVE-2021-38356 is a medium-severity vulnerability in Nextscripts Nextscripts: Social Networks Auto-poster, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-01.

How severe is CVE-2021-38356?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-38356 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Nextscripts Nextscripts: Social Networks Auto-poster

CVE-2021-38356

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 'n…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (43.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Nextscripts Nextscripts: Social Networks Auto-poster — versions 4.3.20

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

www.wordfence.com/blog/2021/10/xss-vulnerability-in-nextscripts-social-networks… (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-38356?: CVE-2021-38356 is a medium-severity vulnerability in Nextscripts Nextscripts: Social Networks Auto-poster, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-01.
How severe is CVE-2021-38356?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-38356 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.