CVE-2021-24596: The youForms for WordPress plugin through 1.0.5 does not sanitise escape the Button Text field of its Template

Q: How do I fix CVE-2021-24596?

youforms-free-for-copecart: upgrade to newer than 1.0.5. Exact commands for each OS are on this page.

Q: Is CVE-2021-24596 being exploited?

CVE-2021-24596 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-2021-24596 affect?

CVE-2021-24596 affects youforms-free-for-copecart. Severity is medium (CVSS 4.8). The youForms for WordPress plugin through 1.0.5 does not sanitise escape the Button Text field of its Templates, allowing high privilege users (editors and admins) to perform Cross-Site Scripting attacks even when the unfiltered_html capabi

Q: How urgent is CVE-2021-24596?

Priority 43/100. Public exploit reference

This month

MEDIUM 4.8UPGRADE

CVE-2021-24596 is a medium-severity flaw (CVSS 4.8) affecting youforms-free-for-copecart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The youForms for WordPress plugin through 1.0.5 does not sanitise escape the Button Text field of its Templates, allowing high privilege users (editors and admins) to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	2.8% (top 14%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-09-20
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: itservicejung

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

Am I affected?

Timeline

2021-09-20 10:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

itservicejung youforms-free-for-copecart UPGRADE

Affected: <= 1.0.5

Fixed in: newer than 1.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy youforms-free-for-copecart || rpm -q youforms-free-for-copecart || youforms-free-for-copecart --version

2. UPGRADE to newer than 1.0.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade youforms-free-for-copecart

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade youforms-free-for-copecart

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-2021-24596?

youforms-free-for-copecart: upgrade to newer than 1.0.5. Exact commands for each OS are on this page.

Is CVE-2021-24596 being exploited?

CVE-2021-24596 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-2021-24596 affect?

CVE-2021-24596 affects youforms-free-for-copecart. Severity is medium (CVSS 4.8). The youForms for WordPress plugin through 1.0.5 does not sanitise escape the Button Text field of its Templates, allowing high privilege users (editors and admins) to perform Cross-Site Scripting attacks even when the unfiltered_html capabi

How urgent is CVE-2021-24596?

Priority 43/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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