Cyber Resilience

CVE-2025-26528

Low

Published: 24 February 2025

Published
24 February 2025
Modified
08 August 2025
KEV Added
Patch
CVSS Score v3.1 3.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
EPSS Score 0.0071 72.6th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26528 is a low-severity Cross-site Scripting (CWE-79) vulnerability in Moodle Moodle. Its CVSS base score is 3.4 (Low).

Operationally, ranked in the top 27.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The drag-and-drop onto image (ddimageortext) question type required additional sanitizing to prevent a stored XSS risk.

CWE(s)

Related Threats

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

Affected Assets

moodle
moodle
4.1.0 — 4.1.16 · 4.3.0 — 4.3.10 · 4.4.0 — 4.4.6

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