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Liferay Portal CVE-2022-42118

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2022-11-15 cve@mitre.org
XSS Digital Experience Platform Liferay Portal Liferay Dxp
6.1
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-79
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 1.15%.
Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 1.1% exploitation probability (EPSS)

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AnalysisAI

A Cross-site scripting (XSS) vulnerability in the Portal Search module in Liferay Portal 7.1.0 through 7.4.2, and Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 15, and 7.3 before service. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affected Packages

maven com.liferay.portal:release.dxp.bom fix: 7.1.10.fp27, 7.2.10.fp15
maven com.liferay:com.liferay.portal.search.web fix: 6.0.12

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in maven

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Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A Cross-site scripting (XSS) vulnerability in the Portal Search module in Liferay Portal 7.1.0 through 7.4.2, and Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 15, and 7.3 before service pack 3 allows remote attackers to inject arbitrary web script or HTML via the tag parameter. Affected products include: Liferay Liferay Portal, Liferay Digital Experience Platform, Liferay Dxp. Version information: through 7.4.2.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

A Cross-site scripting (XSS) vulnerability in the Portal Search module in Liferay Portal 7.1.0 through 7.4.2, and Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 15, and 7.3 before service pack 3 allows remote attackers to inject arbitrary web script or HTML via the tag parameter.

Threat Intelligence Overview

EPSS Score
1.1%
Top 37% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium
NVD CVE.org EPSS POC (1) VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 1.1%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +30
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:-:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_1:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_10:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_11:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_12:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_13:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_14:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_15:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_16:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_17:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_18:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_19:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_2:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_20:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_21:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_22:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_23:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_24:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_25:*:*:*:*:*:*
+ 25 more

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Liferay Portal CE 6.2.5 allows remote command execution because of deserialization of a JSON payload. Rated critical sev
CVE-2020-13445 HIGH POC
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In Liferay Portal before 7.3.2 and Liferay DXP 7.0 before fix pack 92, 7.1 before fix pack 18, and 7.2 before fix pack 6
CVE-2018-10795 HIGH POC
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Liferay 6.2.x and before has an FCKeditor configuration that allows an attacker to upload or transfer files of dangerous
CVE-2016-3670 MEDIUM POC
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Cross-site scripting (XSS) vulnerability in users.jsp in the Profile Search functionality in Liferay before 7.0.0 CE RC1
CVE-2019-11444 HIGH POC
7.2 Apr 22

An issue was discovered in Liferay Portal CE 7.1.2 GA3. Rated high severity (CVSS 7.2), this vulnerability is remotely e
CVE-2025-4576 MEDIUM POC
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A reflected cross-site scripting (XSS) vulnerability in the Liferay Portal 7.4.0 through 7.4.3.133, and Liferay DXP 2025
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6.1 Dec 27

In Liferay Portal 6.1.0, the tags section has XSS via a Public Render Parameter (p_r_p) value, as demonstrated by p_r_p_
CVE-2024-25608 MEDIUM POC
6.1 Feb 20

HtmlUtil.escapeRedirect in Liferay Portal 7.2.0 through 7.4.3.18, and older unsupported versions, and Liferay DXP 7.4 be
CVE-2022-42120 CRITICAL
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A SQL injection vulnerability in the Fragment module in Liferay Portal 7.3.3 through 7.4.3.16, and Liferay DXP 7.3 befor
CVE-2022-42122 CRITICAL
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Same weakness CWE-79 – Cross-site Scripting (XSS)

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CVE-2020-3580 MEDIUM POC
6.1
CVE-2013-7389 MEDIUM POC
4.3
CVE-2021-25299 MEDIUM POC
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CVE-2014-2120 MEDIUM
6.1
CVE-2023-40000 HIGH POC
8.3
CVE-2016-8581 MEDIUM POC
6.1
CVE-2013-5223 MEDIUM POC
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CVE-2025-52367 MEDIUM POC
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Same technique XSS

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CVE-2017-9248 CRITICAL POC
9.8
CVE-2013-1710 CRITICAL POC
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CVE-2024-52875 HIGH POC
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References

Advisories & patches
ADVISORY http://liferay.com ADVISORY https://issues.liferay.com/browse/LPE-17342 ADVISORY https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/cve-2022-42118 ADVISORY https://vuldb.com/vuln/213663

Search Externally

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