CVE-2011-1772

Struts vulnerability

CVSS

2.6

EPSS

33.1%

EPSS pct

98th

Exploited

No known

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.

Affected vendor

Apache

Affected product

Struts

CVSS vector

AV:N/AC:H/Au:N/C:N/I:P/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2011-05-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to partial impact to integrity.

Its EPSS score of 33.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2011-1772

Confirm whether Apache Struts is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-1772.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1772

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1772 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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