CVE-2008-6882: Live Chat (com_livechat) component 1.0 for Joomla! allows remote attackers to use the xmlhttp.php script as an

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HIGH 7.5DOWNGRADE

CVE-2008-6882 is a high-severity flaw (CVSS 7.5) affecting com livechat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Live Chat (com_livechat) component 1.0 for Joomla! allows remote attackers to use the xmlhttp.php script as an open HTTP proxy to hide network scanning activities or scan internal networks via a GET request with a full URL in the query string.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-20
Published	2009-07-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: joompolitan

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

Am I affected?

Timeline

2009-07-30 19:30 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

joompolitan com livechat DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy com-livechat || rpm -q com-livechat || com-livechat --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison com-livechat sudo apt install com-livechat=<VERSION_BEFORE_1.0> sudo apt-mark hold com-livechat

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

dnf --showduplicates list com-livechat sudo dnf downgrade com-livechat-<VERSION_BEFORE_1.0> sudo dnf versionlock add com-livechat

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: Joomla! Component live chat - SQL Injection / Open Proxy

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-2008-6882?

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

Is CVE-2008-6882 being exploited?

CVE-2008-6882 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-2008-6882 affect?

CVE-2008-6882 affects com livechat. Severity is high (CVSS 7.5). Live Chat (com_livechat) component 1.0 for Joomla! allows remote attackers to use the xmlhttp.php script as an open HTTP proxy to hide network scanning activities or scan internal networks via a GET request with a full URL in the query stri

How urgent is CVE-2008-6882?

Priority 52/100. High severity; Public exploit reference

Software pages

Joomla vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2008-6883 HIGH 7.5 DOWNGRADE SQL injection vulnerability in the Live Chat (com_livechat) component 1.0 for Joomla! allows remote attackers
CVE-2008-6881 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in the Live Chat (com_livechat) component 1.0 for Joomla! allow remote

References

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