Liferay Portal and Liferay DXP Bypass via Double Encoded URL
In Liferay Portal before 7.3.1, com.liferay.portal:com.liferay.portal.impl before 7.1.3 and 7.4.0, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property 'portlet.resource.id.banned.paths.regexp' can be bypassed with doubled encoded URLs.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.liferay.portal:com.liferay.portal.impl | >= 7.2.0, < 7.4.0, < 7.1.3 | 7.4.0, 7.1.3 |
| Java / Kotlin (Maven) | com.liferay.portal:release.dxp.bom | < 7.0.10.fp93, >= 7.1.0, < 7.1.10.fp19, >= 7.2.0, < 7.2.10.fp7 | 7.0.10.fp93, 7.1.10.fp19, 7.2.10.fp7 |
| Java / Kotlin (Maven) | com.liferay.portal:release.portal.bom | < 7.3.1 | 7.3.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-15840
- https://github.com/liferay/liferay-portal
- https://issues.liferay.com/browse/LPE-17046
- https://portal.liferay.dev/learn/security/known-vulnerabilities
- https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119772204
- https://security.snyk.io/vuln/SNYK-JAVA-COMLIFERAYPORTAL-1296538
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-284- Platform
- Java / Kotlin (Maven)
- Package
com.liferay.portal:com.liferay.portal.impl, com.liferay.portal:release.dxp.bom, com.liferay.portal:release.portal.bom- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vrwx-q9pj-x488 - CC BY 4.0
Vulnerability history: com.liferay.portal:com.liferay.portal.impl
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 18
- First → latest
- 04.2022 11.2025
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 3
- Medium 15
Disclosures per year
- 2022: 5
- 2023: 0
- 2024: 1
- 2025: 12
- 2026: 0
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Liferay Portal and Liferay DXP Bypass via Double Encoded URL this entry
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