CVE-2025-62255
Liferay Portal Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Active
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-62255- CVSS 4.0
- 2.0 Low
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 - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-35729
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.
- Record
EUVD-2025-35729- CVSS 4.0
- 2.0 Low
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gccf-r9xp-x8jx
Liferay Portal Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page
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.
- Record
GHSA-gccf-r9xp-x8jx- CVSS 4.0
- 2.0 Low
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 - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-62255- CVSS 4.0
- 2.0 Low
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 - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2025-62255- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-gccf-r9xp-x8jx
Liferay Portal Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page
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.
- Record
GHSA-gccf-r9xp-x8jx- CVSS 4.0
- 2.0 Low
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 - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.liferay:com.liferay.knowledge.base.webMaven |
before 5.0.109 | 5.0.109 |
com.liferay:com.liferay.knowledge.base.webMaven |
before 5.0.109, plus listed versions 1.0.01.0.11.0.101.0.1001.0.101 Show 45 moreShow less1.0.1021.0.1031.0.1041.0.1051.0.1061.0.1071.0.1081.0.1091.0.111.0.1101.0.1111.0.1121.0.1131.0.1141.0.1151.0.1161.0.1171.0.1181.0.1191.0.121.0.1201.0.1211.0.1221.0.1231.0.1241.0.1251.0.1261.0.1271.0.1281.0.1291.0.131.0.1301.0.1311.0.1321.0.1331.0.1341.0.1351.0.1361.0.1371.0.1381.0.1391.0.141.0.151.0.161.0.17 |
5.0.109 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-62255 is a low vulnerability (CVSS 2.0) in Liferay Dxp, published October 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. Fixed in com.liferay:com.liferay.knowledge.base.web 5.0.109.
References
liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-62255
nvd.nist.gov/vuln/detail/CVE-2025-62255
github.com/liferay/liferay-portal/commit/46dd9b77cc2514761828d9b483a1dfe5d6e6b76d
liferay.atlassian.net/browse/LPE-17842
Left out here: 484 versions. The JSON record has them.