CVE-2005-0300: Directory traversal vulnerability in session.php in JSBoard 2.0.9 and earlier allows remote attackers to read

Routine

MEDIUM 5.0DOWNGRADE

CVE-2005-0300 is a medium-severity flaw (CVSS 5.0) affecting jsboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in session.php in JSBoard 2.0.9 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the table parameter.

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	1.7% (top 22%)
CISA exploited list	No
Published	2005-01-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jsboard

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

Am I affected?

Timeline

2005-01-20 05:00 UTCPublished CVE record published
2026-06-16 22:10 UTCUpdated Record last modified

jsboard jsboard DOWNGRADE

Affected: 2.0.7 · 2.0.8 · 2.0.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.7 (Debian / Ubuntu)

apt-cache madison jsboard sudo apt install jsboard=<VERSION_BEFORE_2.0.7> sudo apt-mark hold jsboard

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

dnf --showduplicates list jsboard sudo dnf downgrade jsboard-<VERSION_BEFORE_2.0.7> sudo dnf versionlock add jsboard

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-2005-0300?

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

Is CVE-2005-0300 being exploited?

CVE-2005-0300 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-2005-0300 affect?

CVE-2005-0300 affects jsboard. Severity is medium (CVSS 5.0). Directory traversal vulnerability in session.php in JSBoard 2.0.9 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the table parameter.

How urgent is CVE-2005-0300?

Priority 37/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-1842 HIGH 7.5 UPGRADE Directory traversal vulnerability in login.php in JSBoard before 2.0.12 allows remote attackers to include and
CVE-2006-2109 MEDIUM 6.8 UPGRADE Cross-site scripting (XSS) vulnerability in the parse_query_str function in include/print.php in JSBoard 2.0.1

References

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