CVE-2023-44309Network attack vector

Stored script execution via unescaped linked fields

Published Oct 17, 2023 · Updated Sep 13, 2024

Stored XSS in Liferay Portal 7.4.2 through 7.4.3.53 and Liferay DXP 7.4 before update 54 allows remote attackers to run script. FragmentEntryProcessorHelperImpl returns string values from linked asset fields without HTML escaping before fragment rendering. A low-privileged user must store crafted content in a linked source asset, and another user must render the affected fragment.

CVSS severity9.0
Critical
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Liferay Portal 7.4.2 through 7.4.3.53 and Liferay DXP 7.4 before update 54 allows remote attackers to run script. FragmentEntryProcessorHelperImpl returns string values from linked asset fields without HTML escaping before fragment rendering. A low-privileged user must store crafted content in a linked source asset, and another user must render the affected fragment.

The record

CVE
CVE-2023-44309
Published
Oct 17, 2023
Updated
Sep 13, 2024
Vendor
Liferay
Product
Liferay Portal
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 17, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 13, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.4.2 <=7.4.3.53

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Liferay · Liferay Portalversion=7.4.2 <=7.4.3.53
Liferay · Liferay DXPversion=7.4.13 <=7.4.13.u53

Published CVSS scores

9.0Liferay Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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