Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-02-12 08:51

Modified

2026-02-12 09:10

Summary

Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses

Details

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.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "moodle",
        "purl": "pkg:bitnami/moodle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.5.0"
            },
            {
              "fixed": "4.5.8"
            },
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "5.0.4"
            },
            {
              "introduced": "5.1.0"
            },
            {
              "fixed": "5.1.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-67849"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "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.",
  "id": "BIT-moodle-2025-67849",
  "modified": "2026-02-12T09:10:24.600Z",
  "published": "2026-02-12T08:51:02.532Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2025-67849"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423835"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-67849"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses"
}

CVE-2025-67849 (GCVE-0-2025-67849)

Vulnerability from cvelistv5 – Published: 2026-02-03 10:52 – Updated: 2026-02-04 04:55

Title

Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses

Summary

Severity ?

7.3 (High)


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

CWE

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

Assigner

fedora

References

URL

Tags

	https://access.redhat.com/security/cve/CVE-2025-67849	vdb-entryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2423835	issue-trackingx_refsource_REDHAT

Impacted products

	Vendor	Product	Version
			Affected: 4.5.0 , < 4.5.8 (semver) Affected: 5.0.0 , < 5.0.4 (semver) Affected: 5.1.0 , < 5.1.1 (semver)

Credits

Red Hat would like to thank Vuln37 for reporting this issue.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-67849",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-03T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-04T04:55:49.524Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/moodle/moodle/",
          "defaultStatus": "unaffected",
          "packageName": "moodle",
          "versions": [
            {
              "lessThan": "4.5.8",
              "status": "affected",
              "version": "4.5.0",
              "versionType": "semver"
            },
            {
              "lessThan": "5.0.4",
              "status": "affected",
              "version": "5.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "5.1.1",
              "status": "affected",
              "version": "5.1.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank Vuln37 for reporting this issue."
        }
      ],
      "datePublic": "2025-12-15T04:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Important"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-03T10:52:01.127Z",
        "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
        "shortName": "fedora"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2025-67849"
        },
        {
          "name": "RHBZ#2423835",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423835"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-12-19T12:00:14.986000+00:00",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2025-12-15T04:00:00+00:00",
          "value": "Made public."
        }
      ],
      "title": "Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses",
      "x_redhatCweChain": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
    "assignerShortName": "fedora",
    "cveId": "CVE-2025-67849",
    "datePublished": "2026-02-03T10:52:01.127Z",
    "dateReserved": "2025-12-12T13:00:24.330Z",
    "dateUpdated": "2026-02-04T04:55:49.524Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2025-67849 (GCVE-0-2025-67849)

Tags

Sightings

Nomenclature