medium5.4
CVE-2021-20280
Cross-site scripting (XSS) and Server side request forgery (SSRF) in moodle
Impact
Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | moodle/moodle | >= 3.10, < 3.10.2 | 3.10.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Moodle | Moodle | from 3.5.0 before 3.5.17 from 3.8.0 before 3.8.8 from 3.9.0 before 3.9.5 from 3.10.0 before 3.10.2 |
| Fedoraproject | Fedora | Versions 32, 33, 34 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1939037
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/
- https://moodle.org/mod/forum/discuss.php?d=419651
- https://github.com/advisories/GHSA-x2jp-hh65-4xvf
- https://nvd.nist.gov/vuln/detail/CVE-2021-20280
- https://github.com/moodle/moodle/commit/a303eb9e9e387f95ea2a80cb1ce6c0b132ec1cc4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/