CVE-2014-8539: Cross-site scripting (XSS) vulnerability in Simple Email Form 1.8.5 and earlier allows remote attackers to inj

Q: How do I fix CVE-2014-8539?

simple email form: upgrade to newer than 1.8.5. Exact commands for each OS are on this page.

Q: Is CVE-2014-8539 being exploited?

CVE-2014-8539 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-2014-8539 affect?

CVE-2014-8539 affects simple email form. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Simple Email Form 1.8.5 and earlier allows remote attackers to inject arbitrary web script or HTML via the mod_simpleemailform_field2_1 parameter to index.php.

Q: How urgent is CVE-2014-8539?

Priority 40/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2014-8539 is a medium-severity flaw (CVSS 4.3) affecting simple email form. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Simple Email Form 1.8.5 and earlier allows remote attackers to inject arbitrary web script or HTML via the mod_simpleemailform_field2_1 parameter to index.php.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-11-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: simple email form project

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

Am I affected?

Timeline

2014-11-21 15:59 UTCPublished CVE record published
2026-06-17 00:16 UTCUpdated Record last modified

simple email form project simple email form UPGRADE

Affected: <= 1.8.5

Fixed in: newer than 1.8.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy simple-email-form || rpm -q simple-email-form || simple-email-form --version

2. UPGRADE to newer than 1.8.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade simple-email-form

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade simple-email-form

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-2014-8539?

simple email form: upgrade to newer than 1.8.5. Exact commands for each OS are on this page.

Is CVE-2014-8539 being exploited?

CVE-2014-8539 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-2014-8539 affect?

CVE-2014-8539 affects simple email form. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Simple Email Form 1.8.5 and earlier allows remote attackers to inject arbitrary web script or HTML via the mod_simpleemailform_field2_1 parameter to index.php.

How urgent is CVE-2014-8539?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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