CVE-2006-5437: Directory traversal vulnerability in upgrade.php in phpAdsNew 2.0.8 allows remote attackers to read arbitrary

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-5437 is a medium-severity flaw (CVSS 5.0) affecting phpadsnew. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in upgrade.php in phpAdsNew 2.0.8 allows remote attackers to read arbitrary files via a .. (dot dot) in the phpAds_config[language] parameter. NOTE: this issue could not be reproduced by a third party

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 23%)
CISA exploited list	No
Published	2006-10-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpadsnew

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

Am I affected?

Timeline

2006-10-20 23:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

phpadsnew phpadsnew DOWNGRADE

Affected: 2.0.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.8

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.8 (Debian / Ubuntu)

apt-cache madison phpadsnew sudo apt install phpadsnew=<VERSION_BEFORE_2.0.8> sudo apt-mark hold phpadsnew

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

dnf --showduplicates list phpadsnew sudo dnf downgrade phpadsnew-<VERSION_BEFORE_2.0.8> sudo dnf versionlock add phpadsnew

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-2006-5437?

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

Is CVE-2006-5437 being exploited?

CVE-2006-5437 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-2006-5437 affect?

CVE-2006-5437 affects phpadsnew. Severity is medium (CVSS 5.0). Directory traversal vulnerability in upgrade.php in phpAdsNew 2.0.8 allows remote attackers to read arbitrary files via a .. (dot dot) in the phpAds_config[language] parameter. NOTE: this issue could not be reproduced by a third party

How urgent is CVE-2006-5437?

Priority 37/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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