CVE-2002-1829: Cross-site scripting (XSS) vulnerability in codeparse.php in Open Bulletin Board (OpenBB) 1.0.0 RC3 allows rem

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MEDIUM 4.3DOWNGRADE

CVE-2002-1829 is a medium-severity flaw (CVSS 4.3) affecting openbb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in codeparse.php in Open Bulletin Board (OpenBB) 1.0.0 RC3 allows remote attackers to inject arbitrary web script or HTML via (1) myhome.php, (2) an onerror attribute in an IMG tag (a variant of CVE-2002-0330), or (3) a glow tag.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: openbb

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

openbb openbb DOWNGRADE

Affected: 1.0.0_rc3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0_rc3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.0_rc3 (Debian / Ubuntu)

apt-cache madison openbb sudo apt install openbb=<VERSION_BEFORE_1.0.0_rc3> sudo apt-mark hold openbb

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

dnf --showduplicates list openbb sudo dnf downgrade openbb-<VERSION_BEFORE_1.0.0_rc3> sudo dnf versionlock add openbb

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: OpenBB 1.0.0 RC3 - BBCode Cross Agent HTML 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-2002-1829?

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

Is CVE-2002-1829 being exploited?

CVE-2002-1829 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-2002-1829 affect?

CVE-2002-1829 affects openbb. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in codeparse.php in Open Bulletin Board (OpenBB) 1.0.0 RC3 allows remote attackers to inject arbitrary web script or HTML via (1) myhome.php, (2) an onerror attribute in an IMG tag (a variant of CVE-

How urgent is CVE-2002-1829?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-4722 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in Open Bulletin Board (OpenBB) 1.0.8 and earlier allows remote attack
CVE-2005-2566 HIGH 7.5 MITIGATE Multiple SQL injection vulnerabilities in Open Bulletin Board (OpenBB) allow remote attackers to execute arbit
CVE-2005-1613 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in member.php in Open Bulletin Board (OpenBB) 1.0.8 allows remote att
CVE-2005-1612 HIGH 7.5 DOWNGRADE SQL injection vulnerability in read.php in Open Bulletin Board (OpenBB) 1.0.8 allows remote attackers to execu
CVE-2004-1968 MEDIUM 5.0 DOWNGRADE The readmsg action in myhome.php in Open Bulletin Board (OpenBB) 1.0.6 and earlier allows remote attackers to

References

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