CVE-2006-1810: Multiple cross-site scripting (XSS) vulnerabilities in FlexBB 0.5.5 BETA allow remote attackers to inject arbi

Routine

LOW 1.9DOWNGRADE

CVE-2006-1810 is a low-severity flaw (CVSS 1.9) affecting flexbb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in FlexBB 0.5.5 BETA allow remote attackers to inject arbitrary web script or HTML via the (1) ICQ, (2) AIM, (3) MSN, (4) Google Talk, (5) Website Name, (6) Website Address, (7) Email Address, (8) Location, (9) Signature, and (10) Sub-Titles fields in the user profile.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	1.9 (Low)
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Published	2006-04-18
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

2006-04-18 10:02 UTCPublished CVE record published
2026-06-16 22:23 UTCUpdated Record last modified

flexbb flexbb DOWNGRADE

Affected: 0.5.5_beta

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.5_beta

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_beta (Debian / Ubuntu)

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

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-2006-1810?

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

Is CVE-2006-1810 being exploited?

CVE-2006-1810 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-2006-1810 affect?

CVE-2006-1810 affects flexbb. Severity is low (CVSS 1.9). Multiple cross-site scripting (XSS) vulnerabilities in FlexBB 0.5.5 BETA allow remote attackers to inject arbitrary web script or HTML via the (1) ICQ, (2) AIM, (3) MSN, (4) Google Talk, (5) Website Name, (6) Website Address, (7) Email Addr

How urgent is CVE-2006-1810?

Priority 16/100. 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-2006-1977 MEDIUM 5.8 UPGRADE Cross-site scripting (XSS) vulnerability in FlexBB 0.5.7 BETA and earlier allows remote attackers to inject ar

References

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