CVE-2012-6511: Multiple cross-site scripting (XSS) vulnerabilities in organizer/page/users.php in the Organizer plugin 1.2.1

Q: How do I fix CVE-2012-6511?

organizer: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2012-6511 being exploited?

CVE-2012-6511 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-2012-6511 affect?

CVE-2012-6511 affects organizer. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in organizer/page/users.php in the Organizer plugin 1.2.1 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) delete_id parameter or (2) extension param

Q: How urgent is CVE-2012-6511?

Priority 41/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2012-6511 is a medium-severity flaw (CVSS 4.3) affecting organizer. 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 organizer/page/users.php in the Organizer plugin 1.2.1 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) delete_id parameter or (2) extension parameter in an "Update Setting" action to wp-admin/admin.php.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-01-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: organizer project

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

Am I affected?

Timeline

2013-01-24 01:55 UTCPublished CVE record published
2026-06-16 23:48 UTCUpdated Record last modified

organizer project organizer UPGRADE

Affected: <= 1.2.1

Fixed in: newer than 1.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade organizer

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-2012-6511?

organizer: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Is CVE-2012-6511 being exploited?

CVE-2012-6511 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-2012-6511 affect?

CVE-2012-6511 affects organizer. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in organizer/page/users.php in the Organizer plugin 1.2.1 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) delete_id parameter or (2) extension param

How urgent is CVE-2012-6511?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2012-6512 MEDIUM 5.0 UPGRADE The Organizer plugin 1.2.1 for WordPress allows remote attackers to obtain the installation path via unspecifi

References

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