How severe is CVE-2011-1772?

CVE-2011-1772 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2011-1772 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1772?

CVE-2011-1772 primarily affects Apache Struts. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1772?

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

When was CVE-2011-1772 published?

CVE-2011-1772 was published on 2011-05-13 and last updated on 2026-06-16.

CVE-2011-1772

CVE-2011-1772 is a low-severity vulnerability in Apache Struts with a CVSS 2.0 base score of 2.6. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 33% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Struts
Published: 2011-05-13
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in XWork in Apache Struts 2.x before 2.2.3, and OpenSymphony XWork in OpenSymphony WebWork, allow remote attackers to inject arbitrary web script or HTML via vectors involving (1) an action name, (2) the action attribute of an s:submit element, or (3) the method attribute of an s:submit element.

Frequently asked questions

What is CVE-2011-1772?: Multiple cross-site scripting (XSS) vulnerabilities in XWork in Apache Struts 2.x before 2.2.3, and OpenSymphony XWork in OpenSymphony WebWork, allow remote attackers to inject arbitrary web script or HTML via vectors involving (1) an action name, (2) the action attribute of an s:submit element, or (3) the method attribute of an s:submit element.
How severe is CVE-2011-1772?: CVE-2011-1772 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2011-1772 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1772?: CVE-2011-1772 primarily affects Apache Struts. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1772?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1772 published?: CVE-2011-1772 was published on 2011-05-13 and last updated on 2026-06-16.

References

Affected products (30)

cpe:2.3:a:apache:struts:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.7:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.8:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.9:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.10:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.11:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.11.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.11.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.12:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.13:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.14:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.8:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:webwork:*:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:*:*:*:*:*:*:*:*

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