CVE-2018-6903: PHP Scripts Mall Hot Scripts Clone Script Classified v3.1 uses the client side to enforce validation of an e-m

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HIGH 8.8DOWNGRADE

CVE-2018-6903 is a high-severity flaw (CVSS 8.8) affecting hot scripts clone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP Scripts Mall Hot Scripts Clone Script Classified v3.1 uses the client side to enforce validation of an e-mail address, which allows remote attackers to modify a registered e-mail address by removing the validation code.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-20
Published	2018-04-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hot scripts clone 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

hot scripts clone project hot scripts clone 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 hot-scripts-clone || rpm -q hot-scripts-clone || hot-scripts-clone --version

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

apt-cache madison hot-scripts-clone sudo apt install hot-scripts-clone=<VERSION_BEFORE_3.1> sudo apt-mark hold hot-scripts-clone

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

dnf --showduplicates list hot-scripts-clone sudo dnf downgrade hot-scripts-clone-<VERSION_BEFORE_3.1> sudo dnf versionlock add hot-scripts-clone

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-2018-6903?

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

Is CVE-2018-6903 being exploited?

CVE-2018-6903 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-2018-6903 affect?

CVE-2018-6903 affects hot scripts clone. Severity is high (CVSS 8.8). PHP Scripts Mall Hot Scripts Clone Script Classified v3.1 uses the client side to enforce validation of an e-mail address, which allows remote attackers to modify a registered e-mail address by removing the validation code.

How urgent is CVE-2018-6903?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-7650 MEDIUM 4.8 DOWNGRADE PHP Scripts Mall Hot Scripts Clone:Script Classified Version 3.1 Application is vulnerable to stored XSS withi
CVE-2018-6878 MEDIUM 5.4 DOWNGRADE Cross Site Scripting (XSS) exists in the review section in PHP Scripts Mall Hot Scripts Clone Script Classifie
CVE-2017-17612 CRITICAL 9.8 DOWNGRADE Hot Scripts Clone 3.1 has SQL Injection via the /categories subctid or mctid parameter.

References

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