CVE-2003-1253: PHP remote file inclusion vulnerability in Bookmark4U 1.8.3 allows remote attackers to execute arbitrary PHP c

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HIGH 7.5DOWNGRADE

CVE-2003-1253 is a high-severity flaw (CVSS 7.5) affecting bookmark4u. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in Bookmark4U 1.8.3 allows remote attackers to execute arbitrary PHP code viaa URL in the prefix parameter to (1) dbase.php, (2) config.php, or (3) common.load.php.

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	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-94
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sangwan kim

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:03 UTCUpdated Record last modified

sangwan kim bookmark4u DOWNGRADE

Affected: 1.8.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.3

1. Check installed version

apt-cache policy bookmark4u || rpm -q bookmark4u || bookmark4u --version

2. No fixed release: DOWNGRADE to a release before 1.8.3 (Debian / Ubuntu)

apt-cache madison bookmark4u sudo apt install bookmark4u=<VERSION_BEFORE_1.8.3> sudo apt-mark hold bookmark4u

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

dnf --showduplicates list bookmark4u sudo dnf downgrade bookmark4u-<VERSION_BEFORE_1.8.3> sudo dnf versionlock add bookmark4u

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-2003-1253?

bookmark4u: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2003-1253 being exploited?

CVE-2003-1253 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-2003-1253 affect?

CVE-2003-1253 affects bookmark4u. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in Bookmark4U 1.8.3 allows remote attackers to execute arbitrary PHP code viaa URL in the prefix parameter to (1) dbase.php, (2) config.php, or (3) common.load.php.

How urgent is CVE-2003-1253?

Priority 50/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-7025 HIGH 7.5 UPGRADE SQL injection vulnerability in admin/config.php in Bookmark4U 2.0 and 2.1 allows remote attackers to inject ar
CVE-2006-2877 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in Bookmark4U 2.0.0 and earlier allows remote attackers to include arb

References

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