CVE-2018-16453: PHP Scripts Mall Domain Lookup Script 3.0.5 allows XSS in the search bar.

Routine

MEDIUM 6.1DOWNGRADE

CVE-2018-16453 is a medium-severity flaw (CVSS 6.1) affecting domain lookup script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP Scripts Mall Domain Lookup Script 3.0.5 allows XSS in the search bar.

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	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-10-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: domain lookup script project

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

Am I affected?

Timeline

2018-10-04 21:29 UTCPublished CVE record published
2026-06-17 01:44 UTCUpdated Record last modified

domain lookup script project domain lookup script DOWNGRADE

Affected: 3.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.5

1. Check installed version

apt-cache policy domain-lookup-script || rpm -q domain-lookup-script || domain-lookup-script --version

2. No fixed release: DOWNGRADE to a release before 3.0.5 (Debian / Ubuntu)

apt-cache madison domain-lookup-script sudo apt install domain-lookup-script=<VERSION_BEFORE_3.0.5> sudo apt-mark hold domain-lookup-script

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

dnf --showduplicates list domain-lookup-script sudo dnf downgrade domain-lookup-script-<VERSION_BEFORE_3.0.5> sudo dnf versionlock add domain-lookup-script

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-2018-16453?

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

Is CVE-2018-16453 being exploited?

CVE-2018-16453 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-2018-16453 affect?

CVE-2018-16453 affects domain lookup script. Severity is medium (CVSS 6.1). PHP Scripts Mall Domain Lookup Script 3.0.5 allows XSS in the search bar.

How urgent is CVE-2018-16453?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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