CVE-2025-26528: Stored XSS in ddimageortext question type

3.4 CVSS

Description

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

Classification

CVE ID: CVE-2025-26528

CVSS Base Severity: LOW

CVSS Base Score: 3.4

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Vendor: Moodle Project

Product: moodle

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 6.33% (scored less or equal to compared to others)

EPSS Date: 2025-03-25 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-26528
https://moodle.org/mod/forum/discuss.php?d=466144
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-82896

Timeline