CVE-2001-0088: common.inc.php in phpWebLog 0.4.2 does not properly initialize the $CONF array, which inadvertently sets the p

This month

HIGH 7.5DOWNGRADE

CVE-2001-0088 is a high-severity flaw (CVSS 7.5) affecting phpweblog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

common.inc.php in phpWebLog 0.4.2 does not properly initialize the $CONF array, which inadvertently sets the password to a single character, allowing remote attackers to easily guess the SiteKey and gain administrative privileges to phpWebLog.

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	1.8% (top 22%)
CISA exploited list	No
Published	2001-02-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jason hines

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

Am I affected?

Timeline

2001-02-16 05:00 UTCPublished CVE record published
2026-06-16 21:53 UTCUpdated Record last modified

jason hines phpweblog DOWNGRADE

Affected: 0.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.4.2 (Debian / Ubuntu)

apt-cache madison phpweblog sudo apt install phpweblog=<VERSION_BEFORE_0.4.2> sudo apt-mark hold phpweblog

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

dnf --showduplicates list phpweblog sudo dnf downgrade phpweblog-<VERSION_BEFORE_0.4.2> sudo dnf versionlock add phpweblog

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-2001-0088?

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

Is CVE-2001-0088 being exploited?

CVE-2001-0088 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-2001-0088 affect?

CVE-2001-0088 affects phpweblog. Severity is high (CVSS 7.5). common.inc.php in phpWebLog 0.4.2 does not properly initialize the $CONF array, which inadvertently sets the password to a single character, allowing remote attackers to easily guess the SiteKey and gain administrative privileges to phpWebL

How urgent is CVE-2001-0088?

Priority 51/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2005-0698 MEDIUM 4.6 DOWNGRADE PHP remote file inclusion vulnerability in PHPWebLog 0.5.3 and earlier allows remote attackers to execute arbi

References

← Back to latest CVEs