CVE-2025-26528

Stored XSS in ddimageortext question type

3.4 LowFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.29%Up 0.2 points since Feb 27, 2025

What each source reports

CVE List Score used 3.4

Stored XSS in ddimageortext question type

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

Record: CVE-2025-26528
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-4273 3.4

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

Record: EUVD-2025-4273
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-h697-w4ph-7pcx 3.4

Moodle has a stored XSS in ddimageortext question type

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

Record: GHSA-h697-w4ph-7pcx
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 3.4

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

Record: CVE-2025-26528
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 3.4

Stored XSS in ddimageortext question type

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

Record: CVE-2025-26528
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-h697-w4ph-7pcx 3.4

Moodle has a stored XSS in ddimageortext question type

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

Record: GHSA-h697-w4ph-7pcx
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVUBUNTU-CVE-2025-26528 3.4

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

Record: UBUNTU-CVE-2025-26528
CVSS 3.1: 3.4 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVBIT-moodle-2025-26528 No score

Stored XSS in ddimageortext question type

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

Record: BIT-moodle-2025-26528
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	4.5.0-beta up to 4.5.2	4.5.2
`moodle/moodle` Packagist	4.4.0-beta up to 4.4.6	4.4.6
`moodle/moodle` Packagist	4.3.0-beta up to 4.3.10	4.3.10
`moodle/moodle` Packagist	before 4.1.16	4.1.16
`moodle` Bitnami	4.1.0 up to 4.1.16, 4.3.0 up to 4.3.10, 4.4.0 up to 4.4.6, 4.5.0 up to 4.5.2	4.1.164.3.104.4.64.5.2
`moodle/moodle` Packagist	4.5.0-beta up to 4.5.2, plus listed versions v4.5.0v4.5.0-betav4.5.0-rc1v4.5.0-rc2v4.5.1	4.5.2
`moodle/moodle` Packagist	4.4.0-beta up to 4.4.6, plus listed versions v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2v4.4.1 Show 4 moreShow less v4.4.2v4.4.3v4.4.4v4.4.5	4.4.6
`moodle/moodle` Packagist	4.3.0-beta up to 4.3.10, plus listed versions v4.3.0v4.3.0-betav4.3.0-rc1v4.3.0-rc2v4.3.1 Show 8 moreShow less v4.3.2v4.3.3v4.3.4v4.3.5v4.3.6v4.3.7v4.3.8v4.3.9	4.3.10
`moodle/moodle` Packagist	before 4.1.16, plus listed versions v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6 Show 45 moreShow less v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1	4.1.16
`moodle` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known
`moodle` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-26528 is a low vulnerability (CVSS 3.4) in Moodle, published February 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in moodle/moodle 4.5.2.

References

This page doesn't list everything

Left out here: 298 versions. The JSON record has them.