What is CVE-2021-46781?

CVE-2021-46781 is a medium-severity vulnerability in Subsystic Coming Soon, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-25.

How severe is CVE-2021-46781?

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

Is CVE-2021-46781 known to be exploited?

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

XSS in Subsystic Coming Soon

CVE-2021-46781

The Coming Soon by Supsystic WordPress plugin before 1.7.6 does not sanitise and escape the tab parameter before outputting it back in an attribute in the admin dashboard, leading to a Reflected Cross-Site Scripting

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (52.5th 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

Subsystic Coming_soon
Unknown Coming Soon By Supsystic — versions 1.7.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-46781?: CVE-2021-46781 is a medium-severity vulnerability in Subsystic Coming Soon, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-25.
How severe is CVE-2021-46781?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-46781 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.