CVE-2021-46781: The Coming Soon by Supsystic WordPress plugin before 1.7.6 does not sanitise and escape the tab parameter befo

Q: How do I fix CVE-2021-46781?

coming soon: upgrade to 1.7.6. Exact commands for each OS are on this page.

Q: Is CVE-2021-46781 being exploited?

CVE-2021-46781 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-46781 affect?

CVE-2021-46781 affects coming soon. Severity is medium (CVSS 6.1). 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

Q: How urgent is CVE-2021-46781?

Priority 40/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2021-46781 is a medium-severity flaw (CVSS 6.1) affecting coming soon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-04-25
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: subsystic

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-04-25 16:16 UTCPublished CVE record published
2026-06-17 04:15 UTCUpdated Record last modified

subsystic coming soon UPGRADE

Affected: < 1.7.6

Fixed in: 1.7.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy coming-soon || rpm -q coming-soon || coming-soon --version

2. UPGRADE to 1.7.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade coming-soon

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade coming-soon

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-46781?

coming soon: upgrade to 1.7.6. Exact commands for each OS are on this page.

Is CVE-2021-46781 being exploited?

CVE-2021-46781 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-46781 affect?

CVE-2021-46781 affects coming soon. Severity is medium (CVSS 6.1). 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

How urgent is CVE-2021-46781?

Priority 40/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-22714 MEDIUM 4.3 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in Supsystic Coming Soon by Supsystic plugin <= 1.7.10 version
CVE-2022-1322 MEDIUM 4.8 UPGRADE The Coming Soon - Under Construction WordPress plugin through 1.1.9 does not sanitize and escape some of its s

References

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