CVE-2008-0450: Multiple PHP remote file inclusion vulnerabilities in BLOG:CMS 4.2.1.c allow remote attackers to execute arbit

This month

HIGH 7.5DOWNGRADE

CVE-2008-0450 is a high-severity flaw (CVSS 7.5) affecting blog cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in BLOG:CMS 4.2.1.c allow remote attackers to execute arbitrary PHP code via a URL in the (1) DIR_PLUGINS parameter to (a) index.php, and the (2) DIR_LIBS parameter to (b) media.php and (c) xmlrpc/server.php in admin/.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-94
Published	2008-01-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: blog cms

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

Am I affected?

Timeline

2008-01-25 00:00 UTCPublished CVE record published
2026-06-16 22:49 UTCUpdated Record last modified

blog cms blog cms DOWNGRADE

Affected: 4.2.1_c

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.2.1_c

1. Check installed version

apt-cache policy blog-cms || rpm -q blog-cms || blog-cms --version

2. No fixed release: DOWNGRADE to a release before 4.2.1_c (Debian / Ubuntu)

apt-cache madison blog-cms sudo apt install blog-cms=<VERSION_BEFORE_4.2.1_c> sudo apt-mark hold blog-cms

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

dnf --showduplicates list blog-cms sudo dnf downgrade blog-cms-<VERSION_BEFORE_4.2.1_c> sudo dnf versionlock add blog-cms

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-2008-0450?

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

Is CVE-2008-0450 being exploited?

CVE-2008-0450 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-2008-0450 affect?

CVE-2008-0450 affects blog cms. Severity is high (CVSS 7.5). Multiple PHP remote file inclusion vulnerabilities in BLOG:CMS 4.2.1.c allow remote attackers to execute arbitrary PHP code via a URL in the (1) DIR_PLUGINS parameter to (a) index.php, and the (2) DIR_LIBS parameter to (b) media.php and (c)

How urgent is CVE-2008-0450?

Priority 43/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-0360 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in BLOG:CMS 4.2.1b allow remote attackers to execute arbitrary SQL comm
CVE-2008-0359 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in BLOG:CMS 4.2.1b allow remote attackers to inject arbitr
CVE-2006-6552 HIGH 7.5 DOWNGRADE PHP remote file inclusion vulnerability in admin/plugins/NP_UserSharing.php in BLOG:CMS 4.1.3 and earlier allo
CVE-2006-6035 MEDIUM 6.8 UPGRADE Cross-site scripting (XSS) vulnerability in list.php in BLOG:CMS 4.1.3 and earlier allows remote attackers to
CVE-2006-4748 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in F-ART BLOG:CMS 4.1 allow remote attackers to execute arbitrary SQL c

References

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