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CVE-2020-25476

MEDIUMCVSS 6.1/10EPSS 0.94%

Last modified

CVE-2020-25476 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.94%

56.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LiferayLiferay Portal7.1.3
LiferayLiferay Portal7.2.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2020-25476?
CVE-2020-25476 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25476?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25476?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST