CVE-2009-1653: Directory traversal vulnerability in examples/tbs_us_examples_0view.php in TinyButStrong 3.4.0 allows remote a

This month

HIGH 7.8DOWNGRADE

CVE-2009-1653 is a high-severity flaw (CVSS 7.8) affecting tinybutstrong. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in examples/tbs_us_examples_0view.php in TinyButStrong 3.4.0 allows remote attackers to read arbitrary files via a .. (dot dot) in the script parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-22
Published	2009-05-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: tinybutstrong

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

Am I affected?

Timeline

2009-05-16 18:30 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

tinybutstrong tinybutstrong DOWNGRADE

Affected: 3.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.4.0 (Debian / Ubuntu)

apt-cache madison tinybutstrong sudo apt install tinybutstrong=<VERSION_BEFORE_3.4.0> sudo apt-mark hold tinybutstrong

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

dnf --showduplicates list tinybutstrong sudo dnf downgrade tinybutstrong-<VERSION_BEFORE_3.4.0> sudo dnf versionlock add tinybutstrong

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: TinyButStrong 3.4.0 - 'script' Local File Disclosure

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-2009-1653?

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

Is CVE-2009-1653 being exploited?

CVE-2009-1653 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-2009-1653 affect?

CVE-2009-1653 affects tinybutstrong. Severity is high (CVSS 7.8). Directory traversal vulnerability in examples/tbs_us_examples_0view.php in TinyButStrong 3.4.0 allows remote attackers to read arbitrary files via a .. (dot dot) in the script parameter.

How urgent is CVE-2009-1653?

Priority 54/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

← Back to latest CVEs