CVE-2018-6858: Cross Site Scripting (XSS) exists in PHP Scripts Mall Facebook Clone Script.

Routine

MEDIUM 5.4DOWNGRADE

CVE-2018-6858 is a medium-severity flaw (CVSS 5.4) affecting facebook clone script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) exists in PHP Scripts Mall Facebook Clone Script.

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	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-02-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: facebook clone script project

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

Am I affected?

Timeline

2018-02-12 03:29 UTCPublished CVE record published
2026-06-17 02:02 UTCUpdated Record last modified

facebook clone script project facebook clone script DOWNGRADE

Affected: 1.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.5

1. Check installed version

apt-cache policy facebook-clone-script || rpm -q facebook-clone-script || facebook-clone-script --version

2. No fixed release: DOWNGRADE to a release before 1.0.5 (Debian / Ubuntu)

apt-cache madison facebook-clone-script sudo apt install facebook-clone-script=<VERSION_BEFORE_1.0.5> sudo apt-mark hold facebook-clone-script

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

dnf --showduplicates list facebook-clone-script sudo dnf downgrade facebook-clone-script-<VERSION_BEFORE_1.0.5> sudo dnf versionlock add facebook-clone-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-2018-6858?

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

Is CVE-2018-6858 being exploited?

CVE-2018-6858 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-2018-6858 affect?

CVE-2018-6858 affects facebook clone script. Severity is medium (CVSS 5.4). Cross Site Scripting (XSS) exists in PHP Scripts Mall Facebook Clone Script.

How urgent is CVE-2018-6858?

Priority 35/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2017-17615 HIGH 8.8 DOWNGRADE Facebook Clone Script 1.0 has SQL Injection via the friend-profile.php id parameter.

References

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