CVE-2012-2912: Multiple cross-site scripting (XSS) vulnerabilities in the LeagueManager plugin 3.7 for WordPress allow remote

This month

MEDIUM 4.3DOWNGRADE

CVE-2012-2912 is a medium-severity flaw (CVSS 4.3) affecting leaguemanager. 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 LeagueManager plugin 3.7 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) group parameter in the show-league page or (2) season parameter in the team page to wp-admin/admin.php.

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	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-79
Published	2012-05-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: kolja schleich

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

Am I affected?

Timeline

2012-05-21 18:55 UTCPublished CVE record published
2026-06-16 23:42 UTCUpdated Record last modified

kolja schleich leaguemanager DOWNGRADE

Affected: 3.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.7 (Debian / Ubuntu)

apt-cache madison leaguemanager sudo apt install leaguemanager=<VERSION_BEFORE_3.7> sudo apt-mark hold leaguemanager

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

dnf --showduplicates list leaguemanager sudo dnf downgrade leaguemanager-<VERSION_BEFORE_3.7> sudo dnf versionlock add leaguemanager

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.

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-2012-2912?

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

Is CVE-2012-2912 being exploited?

CVE-2012-2912 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-2012-2912 affect?

CVE-2012-2912 affects leaguemanager. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in the LeagueManager plugin 3.7 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) group parameter in the show-league page or (2) season parameter in t

How urgent is CVE-2012-2912?

Priority 40/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2013-1852 HIGH 7.5 UPGRADE SQL injection vulnerability in leaguemanager.php in the LeagueManager plugin before 3.8.1 for WordPress allows

References

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