CVE-2018-6900: PHP Scripts Mall Website Broker Script 3.0.6 has XSS via the Last Name field on the My Profile page.

Routine

MEDIUM 5.4DOWNGRADE

CVE-2018-6900 is a medium-severity flaw (CVSS 5.4) affecting website broker script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP Scripts Mall Website Broker Script 3.0.6 has XSS via the Last Name field on the My Profile page.

Why this priority

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	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-04-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: website broker script project

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

Am I affected?

Timeline

2018-04-12 22:29 UTCPublished CVE record published
2026-06-17 02:02 UTCUpdated Record last modified

website broker script project website broker script DOWNGRADE

Affected: 3.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.6

1. Check installed version

apt-cache policy website-broker-script || rpm -q website-broker-script || website-broker-script --version

2. No fixed release: DOWNGRADE to a release before 3.0.6 (Debian / Ubuntu)

apt-cache madison website-broker-script sudo apt install website-broker-script=<VERSION_BEFORE_3.0.6> sudo apt-mark hold website-broker-script

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

dnf --showduplicates list website-broker-script sudo dnf downgrade website-broker-script-<VERSION_BEFORE_3.0.6> sudo dnf versionlock add website-broker-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-2018-6900?

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

Is CVE-2018-6900 being exploited?

CVE-2018-6900 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-2018-6900 affect?

CVE-2018-6900 affects website broker script. Severity is medium (CVSS 5.4). PHP Scripts Mall Website Broker Script 3.0.6 has XSS via the Last Name field on the My Profile page.

How urgent is CVE-2018-6900?

Priority 35/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2017-15992 CRITICAL 9.8 MITIGATE Website Broker Script allows SQL Injection via the 'status_id' Parameter to status_list.php.

References

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