CVE-2010-4554

CVE-2010-4554 is a medium-severity vulnerability in Squirrelmail with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 2% (76th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Squirrelmail
• Published: 2011-07-14
• Last modified: 2026-06-16

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.

Frequently asked questions

What is 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, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

How severe is CVE-2010-4554?

CVE-2010-4554 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-4554 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4554?

CVE-2010-4554 primarily affects Squirrelmail. In total, 91 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4554?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-4554 published?

CVE-2010-4554 was published on 2011-07-14 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
• http://rhn.redhat.com/errata/RHSA-2012-0103.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://support.apple.com/kb/HT5130
• http://www.debian.org/security/2011/dsa-2291
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:123
• http://www.squirrelmail.org/security/issue/2011-07-12
• https://bugzilla.redhat.com/show_bug.cgi?id=720693
• https://exchange.xforce.ibmcloud.com/vulnerabilities/68512

Affected products (91)

• cpe:2.3:a:squirrelmail:squirrelmail:*:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.4:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.4pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.4pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.5:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.5pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.5pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0pre3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.0:rc3:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.6:rc1:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

• 171.100.156.38 (ipv4-addr)