CVE-2025-62255 json
Liferay Portal Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page
published 2025-10-23 12 mo ago modified 2026-10-18 21 d ago also GHSA-gccf-r9xp-x8jx , EUVD-2025-35729
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 11%
- public exploits
- 0
- none known
Summary
Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page in Liferay Portal 7.4.0 through 7.4.3.101, and older unsupported versions, and Liferay DXP 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, and older unsupported versions allows remote attackers to inject arbitrary web script or HTML via a crafted payload injected into an attachment's filename.
Patch / fix
- maven com.liferay:com.liferay.knowledge.base.web 5.0.109
- liferay digital_experience_platform 7.3
- liferay liferay_portal 7.4.3.102
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 12 mo ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 2.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 4.0 | 2.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.liferay:com.liferay.knowledge.base.web | <5.0.109 |
5.0.109 |
Affected products
- Liferay Portal
- Liferay DXP
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/liferay/liferay-portal/commit/46dd9b77cc2514761828d9b483a1dfe5d6e6b76d
web
-
liferay.dev
/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-62255
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-62255
advisory
-
github.com
/liferay/liferay-portal
package
-
liferay.atlassian.net
/browse/LPE-17842
web
Sources
- CVE List CVE-2025-62255
- GitHub Advisory GHSA-gccf-r9xp-x8jx
- NVD CVE-2025-62255
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