CVE-2011-0533

CVE-2011-0533 is a medium-severity vulnerability in Apache Continuum 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-79.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 4% (90th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Apache Continuum
• Published: 2011-02-17
• Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Apache Continuum 1.1 through 1.2.3.1, 1.3.6, and 1.4.0 Beta; and Archiva 1.3.0 through 1.3.3 and 1.0 through 1.22 allows remote attackers to inject arbitrary web script or HTML via a crafted parameter, related to the autoIncludeParameters setting for the extremecomponents table.

Frequently asked questions

What is CVE-2011-0533?

Cross-site scripting (XSS) vulnerability in Apache Continuum 1.1 through 1.2.3.1, 1.3.6, and 1.4.0 Beta; and Archiva 1.3.0 through 1.3.3 and 1.0 through 1.22 allows remote attackers to inject arbitrary web script or HTML via a crafted parameter, related to the autoIncludeParameters setting for the extremecomponents table.

How severe is CVE-2011-0533?

CVE-2011-0533 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-0533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0533?

CVE-2011-0533 primarily affects Apache Continuum. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0533?

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

When was CVE-2011-0533 published?

CVE-2011-0533 was published on 2011-02-17 and last updated on 2026-06-16.

References

• http://continuum.apache.org/security.html
• http://jira.codehaus.org/browse/CONTINUUM-2604
• http://mail-archives.apache.org/mod_mbox/continuum-users/201102.mbox/%3C981C0A79-5B7B-4053-84CC-3217870BE360%40apache.org%3E
• http://osvdb.org/70925
• http://seclists.org/fulldisclosure/2011/Feb/236
• http://secunia.com/advisories/43261
• http://secunia.com/advisories/43334
• http://securityreason.com/securityalert/8091
• http://securitytracker.com/id?1025065
• http://svn.apache.org/viewvc?view=revision&revision=1066053
• http://svn.apache.org/viewvc?view=revision&revision=1066056
• http://www.securityfocus.com/archive/1/516342/100/0/threaded
• http://www.securityfocus.com/archive/1/516474/100/0/threaded
• http://www.securityfocus.com/bid/46311
• http://www.vupen.com/english/advisories/2011/0373
• http://www.vupen.com/english/advisories/2011/0426
• https://exchange.xforce.ibmcloud.com/vulnerabilities/65343
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12581

Affected products (23)

• cpe:2.3:a:apache:continuum:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:continuum:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:continuum:1.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:continuum:1.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:continuum:1.2.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:continuum:1.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:apache:continuum:1.4.0:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:archiva:1.3.3:*:*:*:*:*:*:*

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