CVE-2024-8735: The MailMunch – Grow your Email List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due

Q: How do I fix CVE-2024-8735?

mailmunch: upgrade to newer than 3.1.8. Exact commands for each OS are on this page.

Q: Is CVE-2024-8735 being exploited?

CVE-2024-8735 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-2024-8735 affect?

CVE-2024-8735 affects mailmunch. Severity is medium (CVSS 6.1). The MailMunch – Grow your Email List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.8. This makes it pos

Q: How urgent is CVE-2024-8735?

Priority 32/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2024-8735 is a medium-severity flaw (CVSS 6.1) affecting mailmunch. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The MailMunch – Grow your Email List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.8. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Why this priority

No elevated risk signals yet

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	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-11-22
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: mailmunch

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

Am I affected?

Timeline

2024-11-22 06:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

mailmunch mailmunch UPGRADE

Affected: <= 3.1.8

Fixed in: newer than 3.1.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mailmunch || rpm -q mailmunch || mailmunch --version

2. UPGRADE to newer than 3.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mailmunch

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mailmunch

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-2024-8735?

mailmunch: upgrade to newer than 3.1.8. Exact commands for each OS are on this page.

Is CVE-2024-8735 being exploited?

CVE-2024-8735 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-2024-8735 affect?

CVE-2024-8735 affects mailmunch. Severity is medium (CVSS 6.1). The MailMunch – Grow your Email List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.8. This makes it pos

How urgent is CVE-2024-8735?

Priority 32/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-31349 MEDIUM 6.5 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in MailMunc

References

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