Cyber Resilience

CVE-2021-25925

MediumPublic PoC

Published: 12 April 2021

Published
12 April 2021
Modified
30 April 2025
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0019 40.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25925 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Sickrage Sickrage. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 40.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

in SiCKRAGE, versions 4.2.0 to 10.0.11.dev1 are vulnerable to Stored Cross-Site-Scripting (XSS) due to user input not being validated properly when processed by the server. Therefore, an attacker can inject arbitrary JavaScript code inside the application, and possibly steal a…

more

user’s sensitive information.

CWE(s)

Related Threats

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

Affected Assets

sickrage
sickrage
10.0.11 · 4.2.0 — 10.0.11

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