Cyber Resilience

CVE-2025-20297

Medium

Published: 02 June 2025

Published
02 June 2025
Modified
01 August 2025
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0034 56.9th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-20297 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Splunk Splunk. Its CVSS base score is 4.3 (Medium).

Operationally, ranked in the top 43.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In Splunk Enterprise versions below 9.4.2, 9.3.4 and 9.2.6, and Splunk Cloud Platform versions below 9.3.2411.102, 9.3.2408.111 and 9.2.2406.118, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious payload through the pdfgen/render…

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REST endpoint that could result in execution of unauthorized JavaScript code in the browser of a user.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

splunk
splunk
9.2.0 — 9.2.6 · 9.3.0 — 9.3.4 · 9.4.0 — 9.4.2
splunk
splunk cloud platform
9.2.2406 — 9.2.2406.118 · 9.3.2408 — 9.3.2408.111 · 9.3.2411 — 9.3.2411.102

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References