CVE-2008-6714: admin.php in xeCMS 1.0.0 RC2 and earlier allows remote attackers to bypass authentication and access the admin

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HIGH 7.5DOWNGRADE

CVE-2008-6714 is a high-severity flaw (CVSS 7.5) affecting xecms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

admin.php in xeCMS 1.0.0 RC2 and earlier allows remote attackers to bypass authentication and access the admin panel by setting the xecms_username cookie.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	12.0% (top 4%)
CISA exploited list	No
Weakness	CWE-287
Published	2009-04-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xecms project

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2009-04-10 22:00 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

xecms project xecms DOWNGRADE

Affected: 1.0.0 rc1 · 1.0.0 rc2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison xecms sudo apt install xecms=<VERSION_BEFORE_1.0.0> sudo apt-mark hold xecms

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

dnf --showduplicates list xecms sudo dnf downgrade xecms-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add xecms

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: xeCMS 1.0.0 RC2 - Insecure Cookie Handling

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-2008-6714?

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

Is CVE-2008-6714 being exploited?

CVE-2008-6714 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-2008-6714 affect?

CVE-2008-6714 affects xecms. Severity is high (CVSS 7.5). admin.php in xeCMS 1.0.0 RC2 and earlier allows remote attackers to bypass authentication and access the admin panel by setting the xecms_username cookie.

How urgent is CVE-2008-6714?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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