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CVE-2026-91999

Apache Sling XSS: Improper escaping in the XSS Webconsole plugin

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-91999

Published

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which fixes the issue.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91999

Published

Apache Sling XSS

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Sling XSS",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "2.4.12",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON