CVE-2025-67849

mediumpriority · track · 24EPSS 0.003 · 19 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (19th) EPSS

CVSS 6.1 · medium

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

A flaw was found in Moodle. This cross-site scripting (XSS) vulnerability, caused by improper sanitization of AI prompt responses, allows attackers to inject malicious HTML or script into web pages. When other users view these compromised pages, their sessions could be stolen, or the user interface could be manipulated.

cvss

Technical severity, 0–10. One row per scoring source.

7.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.6–7.3

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · patrick@puiterwijk.orgexploitability 2.1 · impact 5.2

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79US

affected products (21)

Products and version ranges known to be affected.

Open Source Moodle <4.1.22all versionscert_bundDE
Open Source Moodle <4.4.12all versionscert_bundDE
Open Source Moodle <4.5.8all versionscert_bundDE
Open Source Moodle <5.0.4all versionscert_bundDE
Open Source Moodle <5.1.1all versionscert_bundDE
Open Source Moodle< 4.1.22cert_bundDE
Open Source Moodle< 4.4.12cert_bundDE
Open Source Moodle< 4.5.8cert_bundDE
Open Source Moodle< 5.0.4cert_bundDE
Open Source Moodle< 5.1.1cert_bundDE
moodle moodle4.5.0 → 4.5.8nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle5.0.0 → 5.0.4nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 5.1.0nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Bitnami moodle4.5.0 → 4.5.8osvUSpkg:bitnami/moodle
Bitnami moodle5.0.0 → 5.0.4osvUSpkg:bitnami/moodle
Bitnami moodle5.1.0 → 5.1.1osvUSpkg:bitnami/moodle
Packagist moodle/moodle< 4.1.22osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle4.4.0-beta → 4.4.12osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle4.5.0-beta → 4.5.8osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle5.0.0-beta → 5.0.4osvUSpkg:composer/moodle/moodle

showing 20 of 21

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2851Moodle: Mehrere SchwachstellenDeutsch2025-12-15csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Moodle ausnutzen, um beliebigen Programmcode auszuführen, Benutzer auf bösartige Websites umzuleiten, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, Cross-Site-Scripting-Angriffe durchzuführen oder vertrauliche Informationen offenzulegen.
GHSA-mhf6-pp52-8wqjMoodle Cross-site Scripting (XSS) vulnerability2026-02-03ghsa · osvUS
A flaw was found in Moodle. This Cross-site Scripting (XSS) vulnerability, caused by improper sanitization of AI prompt responses, allows attackers to inject malicious HTML or script into web pages. When other users view these compromised pages, their sessions could be stolen, or the user interface could be manipulated.
BIT-moodle-2025-67849Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses2026-02-12vendor · osvUS
A flaw was found in Moodle. This cross-site scripting (XSS) vulnerability, caused by improper sanitization of AI prompt responses, allows attackers to inject malicious HTML or script into web pages. When other users view these compromised pages, their sessions could be stolen, or the user interface could be manipulated.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2026-02-03modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

https://access.redhat.com/security/cve/CVE-2025-67849 cnnvd
https://bugzilla.redhat.com/show_bug.cgi?id=2423835 cnnvd
https://access.redhat.com/security/cve/CVE-2025-67849 enisa_euvd
https://bugzilla.redhat.com/show_bug.cgi?id=2423835 enisa_euvd
https://access.redhat.com/security/cve/CVE-2025-67849Third Party Advisorynvd
https://bugzilla.redhat.com/show_bug.cgi?id=2423835Issue TrackingThird Party Advisorynvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan