CVE-2005-1568: topic.php in DirectTopics 2.1 and 2.2 allows remote attackers to obtain sensitive information via an invalid t

Routine

MEDIUM 5.0DOWNGRADE

CVE-2005-1568 is a medium-severity flaw (CVSS 5.0) affecting directtopics. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

topic.php in DirectTopics 2.1 and 2.2 allows remote attackers to obtain sensitive information via an invalid topic parameter, which reveals the path in an error message.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Published	2005-05-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: directtopics

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

Am I affected?

Timeline

2005-05-12 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

directtopics directtopics DOWNGRADE

Affected: 2.1 · 2.2 · beta · final

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.1 (Debian / Ubuntu)

apt-cache madison directtopics sudo apt install directtopics=<VERSION_BEFORE_2.1> sudo apt-mark hold directtopics

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

dnf --showduplicates list directtopics sudo dnf downgrade directtopics-<VERSION_BEFORE_2.1> sudo dnf versionlock add directtopics

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-2005-1568?

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

Is CVE-2005-1568 being exploited?

CVE-2005-1568 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-2005-1568 affect?

CVE-2005-1568 affects directtopics. Severity is medium (CVSS 5.0). topic.php in DirectTopics 2.1 and 2.2 allows remote attackers to obtain sensitive information via an invalid topic parameter, which reveals the path in an error message.

How urgent is CVE-2005-1568?

Priority 35/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2005-1569 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in DirectTopics 2.1 and 2.2 allows remote attackers to inject arbitra
CVE-2005-1567 HIGH 7.5 DOWNGRADE SQL injection vulnerability in topic.php in DirectTopics 2.1 and 2.2 allows remote attackers to execute arbitr

References

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