TI-2021-21494 Aliases CVE-2021-46781 GHSA-qqvg-69gf-f2x8

Coming Soon by Supsystic < 1.7.6 - Reflected Cross-Site Scripting

LOW 29CWE-79Published 2022-04-25 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

EPSS 0.008 56th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Coming Soon by Supsystic (Unknown): 1.7.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Coming Soon by Supsystic	1.7.6 to before 1.7.6	1.7.6	Patch available	CNA

Coming Soon by Supsystic VendorUnknown Affected 1.7.6 to before 1.7.6 Fixed in 1.7.6 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:subsystic:coming_soon::::::wordpress::*	before 1.7.6	Vulnerable	Subsystic

cpe:2.3:a:subsystic:coming_soon:*:*:*:*:*:wordpress:*:* Versions before 1.7.6 Vulnerable ·Subsystic

Remediation

Fix · CNA Coming Soon by Supsystic (Unknown) Fixed in 1.7.6

Timeline

2026-10-02 Threatist record created from CVE-2021-46781
2026-10-03 Alias added: GHSA-qqvg-69gf-f2x8

References

Exploit 1

https://wpscan.com/vulnerability/49589867-f764-4c4a-b640-84973c673b23

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences