XSS in Liferay Portal
CVE-2020-25476
Liferay CMS Portal version 7.1.3 and 7.2.1 have a blind persistent cross-site scripting (XSS) vulnerability in the user name parameter to Calendar. An attacker can insert the malicious payload on the username, lastname or surname fields of its own profile, and the malicious payload will be injected and reflected in the calendar of the user who submitted the payload. An attacker could escalate its privileges in case an admin visits the calendar that injected the payload.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (59.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Liferay Portal — versions 7.1.3, 7.2.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5m… (Patch, Vendor Advisory)
- github.com/community-security-team/liferay-portal/compare/7.2.1-ga2...7.2.1-cum… (Patch, Third Party Advisory)
- github.com/community-security-team/liferay-portal/compare/7.1.3-ga4...7.1.3-cum… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25476?
- CVE-2020-25476 is a medium-severity vulnerability in Liferay Portal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-01-07.
- How severe is CVE-2020-25476?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-25476 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.