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cve.new
GHSA-fx5h-3786-h2w6medium

PHP Spellchecker addon for TinyMCE allows attackers to trigger arbitrary outbound HTTP requests

Check your stack

The advisory, in context

classes/GoogleSpell.php in the PHP Spellchecker (aka Google Spellchecker) addon before 2.0.6.1 for TinyMCE, as used in Moodle 2.1.x before 2.1.10, 2.2.x before 2.2.7, 2.3.x before 2.3.4, and 2.4.x before 2.4.1 and other products, does not properly handle control characters, which allows remote attackers to trigger arbitrary outbound HTTP requests via a crafted string.

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Ecosystem versions

From 2.1.0 before 2.1.10

Fixed in 2.1.10

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "2.1.0"
        },
        {
          "fixed": "2.1.10"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": []
}
Ecosystem versions

From 2.2.0 before 2.2.7

Fixed in 2.2.7

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "2.2.0"
        },
        {
          "fixed": "2.2.7"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": []
}
Ecosystem versions

From 2.3.0 before 2.3.4

Fixed in 2.3.4

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "2.3.0"
        },
        {
          "fixed": "2.3.4"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": []
}
Ecosystem versions

From 2.4.0 before 2.4.1

Fixed in 2.4.1

2 explicitly affected versions

2.4.0, v2.4.0

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "2.4.0"
        },
        {
          "fixed": "2.4.1"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "2.4.0",
    "v2.4.0"
  ]
}

References