CVE-2006-2034: SQL injection vulnerability in function/showprofile.php in FlexBB 0.5.5 allows remote attackers to execute arb

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HIGH 7.5DOWNGRADE

CVE-2006-2034 is a high-severity flaw (CVSS 7.5) affecting flexbb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in function/showprofile.php in FlexBB 0.5.5 allows remote attackers to execute arbitrary SQL commands, and view all usernames and passwords, via the id parameter to the showprofile page in index.php.

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	2.3% (top 17%)
CISA exploited list	No
Published	2006-04-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: flexbb

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

Am I affected?

Timeline

2006-04-26 00:06 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

flexbb flexbb DOWNGRADE

Affected: 0.5.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5.5 (Debian / Ubuntu)

apt-cache madison flexbb sudo apt install flexbb=<VERSION_BEFORE_0.5.5> sudo apt-mark hold flexbb

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

dnf --showduplicates list flexbb sudo dnf downgrade flexbb-<VERSION_BEFORE_0.5.5> sudo dnf versionlock add flexbb

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: FlexBB 0.5.5 - '/function/showprofile.php' SQL Injection

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-2006-2034?

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

Is CVE-2006-2034 being exploited?

CVE-2006-2034 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-2006-2034 affect?

CVE-2006-2034 affects flexbb. Severity is high (CVSS 7.5). SQL injection vulnerability in function/showprofile.php in FlexBB 0.5.5 allows remote attackers to execute arbitrary SQL commands, and view all usernames and passwords, via the id parameter to the showprofile page in index.php.

How urgent is CVE-2006-2034?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-0157 HIGH 7.5 UPGRADE SQL injection vulnerability in FlexBB 0.6.3 and earlier allows remote attackers to execute arbitrary SQL comma
CVE-2007-1729 HIGH 7.5 DOWNGRADE SQL injection vulnerability in includes/start.php in Flexbb 1.0.0 10005 Beta Release 1 allows remote attackers
CVE-2006-1978 HIGH 7.5 UPGRADE SQL injection vulnerability in inc/start.php in FlexBB 0.5.5 and earlier allows remote attackers to execute ar
CVE-2006-1977 MEDIUM 5.8 UPGRADE Cross-site scripting (XSS) vulnerability in FlexBB 0.5.7 BETA and earlier allows remote attackers to inject ar
CVE-2006-1811 MEDIUM 6.4 DOWNGRADE Multiple SQL injection vulnerabilities in FlexBB 0.5.5 BETA allow remote attackers to execute arbitrary SQL co

References

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