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OWASP HTML Sanitizer allows redirecting to an arbitrary URL when JavaScript is disabled

CVE-2011-4457GHSA-pcm9-fp55-563v

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer 88), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
  • CVE-2011-4457: 1.37% estimated exploitation activity in the next 30 days; percentile 71.87 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

OWASP HTML Sanitizer (aka owasp-java-html-sanitizer) before 88, when JavaScript is disabled, allows user-assisted remote attackers to obtain potentially sensitive information via a crafted FORM element within a NOSCRIPT element.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-pcm9-fp55-563v

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2011-4457

Advisory: OWASP HTML Sanitizer allows redirecting to an arbitrary URL when JavaScript is disabled
IDs: CVE-2011-4457, GHSA-pcm9-fp55-563v
Record: https://patchnext.com/advisories/cve-2011-4457 (revision 1, source checked 26 Oct 2026, 16:25 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer 88. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer: affected < 88; fixed in 88

## Suggested inspection (read-only)
- Maven com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-pcm9-fp55-563v (GitHub-reviewed advisory GHSA-pcm9-fp55-563v lists affected ranges: Maven com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer >=0 <88)

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