CVE-2021-25313

Name: CVE-2021-25313
Creator: NVD / NIST
Published: 2021-03-05T09:15:13.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2021-25313 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rancher allows remote attackers to execute JavaScript via malicious links. This issue affects: SUSE Rancher Rancher versions prior to 2.5.6.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rancher allows remote attackers to execute JavaScript via malicious links. This issue affects: SUSE Rancher Rancher versions prior to 2.5.6.

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

1.50%

71.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Suse	Rancher	< 2.5.6

References

https://bugzilla.suse.com/show_bug.cgi?id=1181852Issue Tracking, Vendor Advisory
https://github.com/rancher/rancher/issues/31583Issue Tracking, Third Party Advisory
https://github.com/rancher/rancher/releases/tag/v2.5.6Release Notes, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1181852Issue Tracking, Vendor Advisory
https://github.com/rancher/rancher/issues/31583Issue Tracking, Third Party Advisory
https://github.com/rancher/rancher/releases/tag/v2.5.6Release Notes, Third Party Advisory

Timeline

Published: Mar 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25313?

How severe is CVE-2021-25313?

CVE-2021-25313 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25313?

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-2021-25313?

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

Scan your code now

Source: NVD / NIST