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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wordpress | 3.5.1+dfsg-2 | — |
| Debian 13 | wordpress | 3.5.1+dfsg-2 | — |
| Debian 12 | wordpress | 3.5.1+dfsg-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | tinymce | No fix yet | — |
| Ubuntu 18.04 LTS | tinymce | No fix yet | — |
| Ubuntu 16.04 LTS | tinymce | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | moodle/moodle | >= 2.1.0, < 2.1.10 | 2.1.10 | GHSA-fx5h-3786-h2w6 |
| Packagist | moodle/moodle | >= 2.2.0, < 2.2.7 | 2.2.7 | GHSA-fx5h-3786-h2w6 |
| Packagist | moodle/moodle | >= 2.3.0, < 2.3.4 | 2.3.4 | GHSA-fx5h-3786-h2w6 |
| Packagist | moodle/moodle | >= 2.4.0, < 2.4.1 | 2.4.1 | GHSA-fx5h-3786-h2w6 |
References
- https://github.com/tinymce/tinymce_spellchecker_php/commit/22910187bfb9edae90c26e10100d8145b505b974
- http://www.tinymce.com/forum/viewtopic.php?id=30036
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37283
- http://www.tinymce.com/develop/changelog/?type=phpspell
- [oss-security] 20130121 Moodle security notifications public mailing-list
- https://moodle.org/mod/forum/discuss.php?d=220157