CVE-2023-3721: The WP-EMail WordPress plugin before 2.69.1 does not sanitise and escape some of its settings, which could all

Q: How do I fix CVE-2023-3721?

wp-email: upgrade to 2.69.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-3721 being exploited?

CVE-2023-3721 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-2023-3721 affect?

CVE-2023-3721 affects wp-email. Severity is medium (CVSS 4.8). The WP-EMail WordPress plugin before 2.69.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is d

Q: How urgent is CVE-2023-3721?

Priority 32/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2023-3721 is a medium-severity flaw (CVSS 4.8) affecting wp-email. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP-EMail WordPress plugin before 2.69.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

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	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-08-14
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: lesterchan

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

Am I affected?

Timeline

2023-08-14 20:15 UTCPublished CVE record published
2026-06-17 06:14 UTCUpdated Record last modified

lesterchan wp-email UPGRADE

Affected: < 2.69.1

Fixed in: 2.69.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-email || rpm -q wp-email || wp-email --version

2. UPGRADE to 2.69.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-email

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-email

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-2023-3721?

wp-email: upgrade to 2.69.1. Exact commands for each OS are on this page.

Is CVE-2023-3721 being exploited?

CVE-2023-3721 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-2023-3721 affect?

CVE-2023-3721 affects wp-email. Severity is medium (CVSS 4.8). The WP-EMail WordPress plugin before 2.69.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is d

How urgent is CVE-2023-3721?

Priority 32/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2022-1630 MEDIUM 6.5 UPGRADE The WP-EMail WordPress plugin before 2.69.0 does not protect its log deletion functionality with nonce checks,
CVE-2022-1614 HIGH 7.5 UPGRADE The WP-EMail WordPress plugin before 2.69.0 prioritizes getting a visitor's IP from certain HTTP headers over

References

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