CVE-2017-12647
Liferay Portal Vulnerable to XSS via a Knowledge Base Article Title
XSS exists in Liferay Portal before 7.0 CE GA4 via a Knowledge Base article title.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
XSS exists in Liferay Portal before 7.0 CE GA4 via a Knowledge Base article title.
- Record
CVE-2017-12647- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
XSS exists in Liferay Portal before 7.0 CE GA4 via a Knowledge Base article title.
- Record
CVE-2017-12647- Updated
- 2026-11-02
EUVDEUVD-2017-4186 No score
XSS exists in Liferay Portal before 7.0 CE GA4 via a Knowledge Base article title.
- Record
EUVD-2017-4186- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-75x7-w445-5gwr
Liferay Portal Vulnerable to XSS via a Knowledge Base Article Title
XSS exists in Liferay Portal before 7.0 CE GA4 via a Knowledge Base article title.
- Record
GHSA-75x7-w445-5gwr- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-75x7-w445-5gwr
Liferay Portal Vulnerable to XSS via a Knowledge Base Article Title
XSS exists in Liferay Portal before 7.0 CE GA4 via a Knowledge Base article title.
- Record
GHSA-75x7-w445-5gwr- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.liferay.portal:release.portal.bomMaven |
before 7.0.3-ga4 | 7.0.3-ga4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-12647 is a medium vulnerability (CVSS 6.1) in Liferay Portal, published August 7, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. Fixed in com.liferay.portal:release.portal.bom 7.0.3-ga4.
References
github.com/brianchandotcom/liferay-portal/pull/48901
dev.liferay.com/web/community-security-team/known-vulnerabilities/liferay-portal-70/-/asset_publisher/cjE0ourZXJZE/content/cst-7017-multiple-xss-vulnerabilities
nvd.nist.gov/vuln/detail/CVE-2017-12647
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web.archive.org/web/20201101000000*/https://dev.liferay.com/web/community-security-team/known-vulnerabilities/liferay-portal-70/-/asset_publisher/cjE0ourZXJZE/content/cst-7017-multiple-xss-vulnerabilities