CVE-2014-8772: Cross-site scripting (XSS) vulnerability in the search_controller in X3 CMS 0.5.1 and 0.5.1.1 allows remote au

Routine

LOW 3.5DOWNGRADE

CVE-2014-8772 is a low-severity flaw (CVSS 3.5) affecting x3 cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the search_controller in X3 CMS 0.5.1 and 0.5.1.1 allows remote authenticated users to inject arbitrary web script or HTML via the search parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	3.5 (Low)
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-12-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: x3cms

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-12-03 18:59 UTCPublished CVE record published
2026-06-17 00:17 UTCUpdated Record last modified

x3cms x3 cms DOWNGRADE

Affected: 0.5.1 · 0.5.1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.1

1. Check installed version

apt-cache policy x3-cms || rpm -q x3-cms || x3-cms --version

2. No fixed release: DOWNGRADE to a release before 0.5.1 (Debian / Ubuntu)

apt-cache madison x3-cms sudo apt install x3-cms=<VERSION_BEFORE_0.5.1> sudo apt-mark hold x3-cms

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

dnf --showduplicates list x3-cms sudo dnf downgrade x3-cms-<VERSION_BEFORE_0.5.1> sudo dnf versionlock add x3-cms

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-2014-8772?

x3 cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-8772 being exploited?

CVE-2014-8772 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-2014-8772 affect?

CVE-2014-8772 affects x3 cms. Severity is low (CVSS 3.5). Cross-site scripting (XSS) vulnerability in the search_controller in X3 CMS 0.5.1 and 0.5.1.1 allows remote authenticated users to inject arbitrary web script or HTML via the search parameter.

How urgent is CVE-2014-8772?

Priority 31/100. Public exploit reference

Related CVEs

CVE-2014-8771 MEDIUM 6.8 DOWNGRADE Multiple cross-site request forgery (CSRF) vulnerabilities in the admin area in X3 CMS 0.5.1 and 0.5.1.1 allow
CVE-2011-5255 MEDIUM 4.3 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in admin/login in X3 CMS 0.4.3.1 and earlier allow remote

References

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