CVE-2018-12095: A Reflected Cross-Site Scripting web vulnerability has been discovered in the OEcms v3.1 web-application

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MEDIUM 5.4DOWNGRADE

CVE-2018-12095 is a medium-severity flaw (CVSS 5.4) affecting oecms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Reflected Cross-Site Scripting web vulnerability has been discovered in the OEcms v3.1 web-application. The vulnerability is located in the mod parameter of info.php.

Why this priority

EPSS top 7%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	5.4% (top 7%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-06-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: oecms project

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

Am I affected?

Timeline

2018-06-11 11:29 UTCPublished CVE record published
2026-06-17 01:37 UTCUpdated Record last modified

oecms project oecms DOWNGRADE

Affected: 3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.1 (Debian / Ubuntu)

apt-cache madison oecms sudo apt install oecms=<VERSION_BEFORE_3.1> sudo apt-mark hold oecms

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

dnf --showduplicates list oecms sudo dnf downgrade oecms-<VERSION_BEFORE_3.1> sudo dnf versionlock add oecms

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: OEcms 3.1 - Cross-Site Scripting
Nuclei scan template: OEcms 3.1 - 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-2018-12095?

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

Is CVE-2018-12095 being exploited?

CVE-2018-12095 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-2018-12095 affect?

CVE-2018-12095 affects oecms. Severity is medium (CVSS 5.4). A Reflected Cross-Site Scripting web vulnerability has been discovered in the OEcms v3.1 web-application. The vulnerability is located in the mod parameter of info.php.

How urgent is CVE-2018-12095?

Priority 47/100. EPSS top 7%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2019-1010112 HIGH 8.8 DOWNGRADE OECMS v4.3.R60321 and v4.3 later is affected by: Cross Site Request Forgery (CSRF)

References

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