CVE-2012-2579: Multiple cross-site scripting (XSS) vulnerabilities in the WP SimpleMail plugin 1.0.6 for WordPress allow remo

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MEDIUM 4.3DOWNGRADE

CVE-2012-2579 is a medium-severity flaw (CVSS 4.3) affecting wp simplemail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in the WP SimpleMail plugin 1.0.6 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) To, (2) From, (3) Date, or (4) Subject field of an email.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	3.7% (top 10%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-06-20
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: wp simplemail project

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-06-20 14:55 UTCPublished CVE record published
2026-06-16 23:41 UTCUpdated Record last modified

wp simplemail project wp simplemail DOWNGRADE

Affected: 1.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.6 (Debian / Ubuntu)

apt-cache madison wp-simplemail sudo apt install wp-simplemail=<VERSION_BEFORE_1.0.6> sudo apt-mark hold wp-simplemail

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wp-simplemail sudo dnf downgrade wp-simplemail-<VERSION_BEFORE_1.0.6> sudo dnf versionlock add wp-simplemail

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WordPress Plugin simplemail 1.0.6 - Persistent Cross-Site Scripting

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-2012-2579?

wp simplemail: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-2579 being exploited?

CVE-2012-2579 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-2012-2579 affect?

CVE-2012-2579 affects wp simplemail. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in the WP SimpleMail plugin 1.0.6 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) To, (2) From, (3) Date, or (4) Subject field of an email.

How urgent is CVE-2012-2579?

Priority 43/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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