CVE-2012-5899: Cross-site scripting (XSS) vulnerability in admin/action/objects.php in SAMEDIA LandShop 0.9.2 allows remote a

Routine

MEDIUM 4.3DOWNGRADE

CVE-2012-5899 is a medium-severity flaw (CVSS 4.3) affecting landshop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in admin/action/objects.php in SAMEDIA LandShop 0.9.2 allows remote attackers to inject arbitrary web script or HTML via the OTR_HEADS[] parameter in an edit action. NOTE: some of these details are obtained from third party information.

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	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-79
Published	2012-11-17
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: samedia

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

Am I affected?

Timeline

2012-11-17 21:55 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

samedia landshop DOWNGRADE

Affected: 0.9.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.9.2 (Debian / Ubuntu)

apt-cache madison landshop sudo apt install landshop=<VERSION_BEFORE_0.9.2> sudo apt-mark hold landshop

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

dnf --showduplicates list landshop sudo dnf downgrade landshop-<VERSION_BEFORE_0.9.2> sudo dnf versionlock add landshop

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: Landshop 0.9.2 - Multiple Web Vulnerabilities

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-2012-5899?

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

Is CVE-2012-5899 being exploited?

CVE-2012-5899 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-2012-5899 affect?

CVE-2012-5899 affects landshop. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in admin/action/objects.php in SAMEDIA LandShop 0.9.2 allows remote attackers to inject arbitrary web script or HTML via the OTR_HEADS[] parameter in an edit action. NOTE: some of these details are o

How urgent is CVE-2012-5899?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2012-5900 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in SAMEDIA LandShop 0.9.2 allow remote attackers to execute arbitrary S
CVE-2012-5898 MEDIUM 6.8 DOWNGRADE Cross-site request forgery (CSRF) vulnerability in SAMEDIA LandShop 0.9.2 allows remote attackers to hijack th

References

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