CVE-2023-23921 Moodle: reflected xss risk in some returnurl parameters

2023-02-1700:00:00

CWE-79

fedora

www.cve.org

moodle

security risk

reflected xss

returnurl

cross-site scripting

cve-2023-23921

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.0%

JSON

The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user’s browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.

CNA Affected

[
  {
    "versions": [
      {
        "status": "affected",
        "version": "4.1.0",
        "lessThan": "4.1.1",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.0.6",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.11.0",
        "lessThan": "3.11.12",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "3.9.19",
        "versionType": "semver"
      }
    ],
    "packageName": "moodle",
    "collectionURL": "https://git.moodle.org",
    "defaultStatus": "unaffected"
  }
]