CVE-2014-9562: Cross-site scripting (XSS) vulnerability in display_dialog.php in M2 OptimalSite 0.1 and 2.4 allows remote att

Routine

MEDIUM 4.3DOWNGRADE

CVE-2014-9562 is a medium-severity flaw (CVSS 4.3) affecting optimalsite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in display_dialog.php in M2 OptimalSite 0.1 and 2.4 allows remote attackers to inject arbitrary web script or HTML via the image parameter.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-02-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: m2 technologies

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

Am I affected?

Timeline

2015-02-04 18:59 UTCPublished CVE record published
2026-06-17 00:18 UTCUpdated Record last modified

m2 technologies optimalsite DOWNGRADE

Affected: 0.1 · 2.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1 (Debian / Ubuntu)

apt-cache madison optimalsite sudo apt install optimalsite=<VERSION_BEFORE_0.1> sudo apt-mark hold optimalsite

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

dnf --showduplicates list optimalsite sudo dnf downgrade optimalsite-<VERSION_BEFORE_0.1> sudo dnf versionlock add optimalsite

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-2014-9562?

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

Is CVE-2014-9562 being exploited?

CVE-2014-9562 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-2014-9562 affect?

CVE-2014-9562 affects optimalsite. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in display_dialog.php in M2 OptimalSite 0.1 and 2.4 allows remote attackers to inject arbitrary web script or HTML via the image parameter.

How urgent is CVE-2014-9562?

Priority 30/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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