CVE-2025-54057: Apache SkyWalking: Stored XSS vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-27 · updated 2026-10-18
Weakness: CWE-80

Description

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache SkyWalking. This issue affects Apache SkyWalking: <= 10.2.0. Users are recommended to upgrade to version 10.3.0, which fixes the issue.

Affected products

Apache Software Foundation Apache SkyWalking: before 10.3.0 — fixed in 10.3.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache SkyWalking 10.3.0. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread/sl2x2tx8y007x0mo746yddx2lvnv9tcr
http://www.openwall.com/lists/oss-security/2025/11/27/1
http://www.openwall.com/lists/oss-security/2026/04/13/3

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