What is CVE-2025-54057?

CVE-2025-54057 is a medium-severity vulnerability in Apache Skywalking, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.1/10. Published 2025-11-27.

How severe is CVE-2025-54057?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apache Skywalking

CVE-2025-54057

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.

Published 2025-11-27 · last modified 2026-10-18.

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: 0.008 (54.8th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apache Skywalking
Apache Software Foundation Skywalking — versions 0

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

References

lists.apache.org/thread/sl2x2tx8y007x0mo746yddx2lvnv9tcr (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-54057?: CVE-2025-54057 is a medium-severity vulnerability in Apache Skywalking, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.1/10. Published 2025-11-27.
How severe is CVE-2025-54057?: Medium severity. CVSS v3 base score is 6.1 out of 10.