CVE-2018-12234: A Reflected Cross Site Scripting (XSS) Vulnerability was discovered in Adrenalin 5.4.0 HRMS Software

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MEDIUM 6.1DOWNGRADE

CVE-2018-12234 is a medium-severity flaw (CVSS 6.1) affecting adrenalin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Reflected Cross Site Scripting (XSS) Vulnerability was discovered in Adrenalin 5.4.0 HRMS Software. The user supplied input containing JavaScript is echoed back in JavaScript code in an HTML response via the flexiportal/GeneralInfo.aspx strAction parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-09-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: myadrenalin

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

Am I affected?

Timeline

2018-09-06 23:29 UTCPublished CVE record published
2026-06-17 01:37 UTCUpdated Record last modified

myadrenalin adrenalin DOWNGRADE

Affected: 5.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.4.0 (Debian / Ubuntu)

apt-cache madison adrenalin sudo apt install adrenalin=<VERSION_BEFORE_5.4.0> sudo apt-mark hold adrenalin

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

dnf --showduplicates list adrenalin sudo dnf downgrade adrenalin-<VERSION_BEFORE_5.4.0> sudo dnf versionlock add adrenalin

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: Adrenalin Core HCM 5.4.0 - 'strAction' Reflected 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-2018-12234?

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

Is CVE-2018-12234 being exploited?

CVE-2018-12234 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-2018-12234 affect?

CVE-2018-12234 affects adrenalin. Severity is medium (CVSS 6.1). A Reflected Cross Site Scripting (XSS) Vulnerability was discovered in Adrenalin 5.4.0 HRMS Software. The user supplied input containing JavaScript is echoed back in JavaScript code in an HTML response via the flexiportal/GeneralInfo.aspx s

How urgent is CVE-2018-12234?

Priority 48/100. Public exploit reference

Related CVEs

CVE-2018-12653 MEDIUM 6.1 DOWNGRADE A Reflected Cross Site Scripting (XSS) vulnerability exists in Adrenalin HRMS 5.4.0
CVE-2018-12652 MEDIUM 6.1 DOWNGRADE A Reflected Cross Site Scripting (XSS) Vulnerability was discovered in Adrenalin 5.4 HRMS Software

References

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