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Fencer Vulns
critical 9.6

CVE-2023-42498 json

Liferay Portal Language Override edit screen and Liferay DXP vulnerable to reflected Cross-site Scripting

published 2024-02-21 2 y ago modified 2026-06-17 4 mo ago also GHSA-73x3-8mrg-5r93 , EUVD-2024-0545

cvss
9.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

Reflected cross-site scripting (XSS) vulnerability in the Language Override edit screen in Liferay Portal 7.4.3.8 through 7.4.3.97, and Liferay DXP 2023.Q3 before patch 5, and 7.4 update 4 through 92 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_portal_language_override_web_internal_portlet_PLOPortlet_key parameter.

Patch / fix

  • maven com.liferay.portal:release.portal.bom 7.4.3.98
  • maven com.liferay.portal:release.dxp.bom 2023.Q3.5
  • liferay liferay_portal 7.4.3.98

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven com.liferay.portal:release.portal.bom
>=7.4.3.8, <7.4.3.98
7.4.3.98
maven com.liferay.portal:release.dxp.bom
>=2023.Q3, <2023.Q3.5
>=7.4.13.u4, <=7.4.13.u92
2023.Q3.5

Affected products

  • Liferay Portal
  • Liferay DXP

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.