CVE-2008-6177: Multiple directory traversal vulnerabilities in LightBlog 9.8, when magic_quotes_gpc is disabled, allow remote

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MEDIUM 6.8DOWNGRADE

CVE-2008-6177 is a medium-severity flaw (CVSS 6.8) affecting lightblog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple directory traversal vulnerabilities in LightBlog 9.8, when magic_quotes_gpc is disabled, allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) username parameter to view_member.php, (2) username_post parameter to login.php, and the (3) Lightblog_username cookie parameter to check_user.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-22
Published	2009-02-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: publicwarehouse

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

Am I affected?

Timeline

2009-02-19 16:30 UTCPublished CVE record published
2026-06-16 23:01 UTCUpdated Record last modified

publicwarehouse lightblog DOWNGRADE

Affected: 9.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.8

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.8 (Debian / Ubuntu)

apt-cache madison lightblog sudo apt install lightblog=<VERSION_BEFORE_9.8> sudo apt-mark hold lightblog

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

dnf --showduplicates list lightblog sudo dnf downgrade lightblog-<VERSION_BEFORE_9.8> sudo dnf versionlock add lightblog

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: LightBlog 9.8 - 'GET' / 'POST' / 'COOKIE' Local File Inclusion

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-2008-6177?

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

Is CVE-2008-6177 being exploited?

CVE-2008-6177 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-2008-6177 affect?

CVE-2008-6177 affects lightblog. Severity is medium (CVSS 6.8). Multiple directory traversal vulnerabilities in LightBlog 9.8, when magic_quotes_gpc is disabled, allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) username parameter to view_member.php, (2) u

How urgent is CVE-2008-6177?

Priority 49/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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