CVE-2006-1977: Cross-site scripting (XSS) vulnerability in FlexBB 0.5.7 BETA and earlier allows remote attackers to inject ar

Q: How do I fix CVE-2006-1977?

flexbb: upgrade to newer than 0.5.7_beta. Exact commands for each OS are on this page.

Q: Is CVE-2006-1977 being exploited?

CVE-2006-1977 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-1977 affect?

CVE-2006-1977 affects flexbb. Severity is medium (CVSS 5.8). Cross-site scripting (XSS) vulnerability in FlexBB 0.5.7 BETA and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) name and (2) message parameters.

Q: How urgent is CVE-2006-1977?

Priority 37/100. No elevated risk signals yet.

Routine

MEDIUM 5.8UPGRADE

CVE-2006-1977 is a medium-severity flaw (CVSS 5.8) affecting flexbb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in FlexBB 0.5.7 BETA and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) name and (2) message parameters.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2006-04-21
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

2006-04-21 22:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

flexbb flexbb UPGRADE

Affected: <= 0.5.7_beta

Fixed in: newer than 0.5.7_beta

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.5.7_beta (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flexbb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flexbb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2006-1977?

flexbb: upgrade to newer than 0.5.7_beta. Exact commands for each OS are on this page.

Is CVE-2006-1977 being exploited?

CVE-2006-1977 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-2006-1977 affect?

CVE-2006-1977 affects flexbb. Severity is medium (CVSS 5.8). Cross-site scripting (XSS) vulnerability in FlexBB 0.5.7 BETA and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) name and (2) message parameters.

How urgent is CVE-2006-1977?

Priority 37/100. No elevated risk signals yet.

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-2006-2034 HIGH 7.5 DOWNGRADE SQL injection vulnerability in function/showprofile.php in FlexBB 0.5.5 allows remote attackers to execute arb
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-2006-1811 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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