CVE-2009-0541: Multiple cross-site scripting (XSS) vulnerabilities in Magento 1.2.0 and 1.2.1.1 allow remote attackers to inj

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MEDIUM 4.3DOWNGRADE

CVE-2009-0541 is a medium-severity flaw (CVSS 4.3) affecting magento. 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 Magento 1.2.0 and 1.2.1.1 allow remote attackers to inject arbitrary web script or HTML via (1) the username field in an admin/ request to index.php, possibly related to the login[username] parameter and the app/code/core/Mage/Admin/Model/Session.php login function; (2) the email address field in an admin/index/forgotpassword/ request to index.php, possibly related to the email parameter and

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	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-02-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: magentocommerc

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

Am I affected?

Timeline

2009-02-25 16:30 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

magentocommerc magento DOWNGRADE

Affected: 1.2.0 · 1.2.1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2.0 (Debian / Ubuntu)

apt-cache madison magento sudo apt install magento=<VERSION_BEFORE_1.2.0> sudo apt-mark hold magento

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

dnf --showduplicates list magento sudo dnf downgrade magento-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add magento

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: Magento 1.2 - '/app/code/core/Mage/Admin/Model/Session.php?login['Username']' Cross-Site Scripting
Exploit-DB: Magento 1.2 - '/app/code/core/Mage/Adminhtml/controllers/IndexController.php?email' Cross-Site Scripting
Exploit-DB: Magento 1.2 - 'downloader/index.php' 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-2009-0541?

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

Is CVE-2009-0541 being exploited?

CVE-2009-0541 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-2009-0541 affect?

CVE-2009-0541 affects magento. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Magento 1.2.0 and 1.2.1.1 allow remote attackers to inject arbitrary web script or HTML via (1) the username field in an admin/ request to index.php, possibly related to the login[usern

How urgent is CVE-2009-0541?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities · Magento vulnerabilities

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References

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