What’s Vulnerable › Vulnerabilities

CVE-2012-6112

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-01-27 · updated 2026-06-16
• Weakness: CWE-264

Description

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 products

• Moodle: 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 (+16)
• tinymce Spellchecker Php: 2.0, 2.0-a1, 2.0-a2, 2.0-b1, 2.0-b2, 2.0-b3 (+5)

References

• http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37283
• http://openwall.com/lists/oss-security/2013/01/21/1
• http://www.tinymce.com/develop/changelog/?type=phpspell
• http://www.tinymce.com/forum/viewtopic.php?id=30036
• https://github.com/tinymce/tinymce_spellchecker_php/commit/22910187bfb9edae90c26e10100d8145b505b974
• https://moodle.org/mod/forum/discuss.php?d=220157
• http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37283
• http://openwall.com/lists/oss-security/2013/01/21/1
• http://www.tinymce.com/develop/changelog/?type=phpspell
• http://www.tinymce.com/forum/viewtopic.php?id=30036
• https://github.com/tinymce/tinymce_spellchecker_php/commit/22910187bfb9edae90c26e10100d8145b505b974
• https://moodle.org/mod/forum/discuss.php?d=220157

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