CVE-2021-32478: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

March 11, 2022 (updated November 7, 2023)

The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.

References

moodle.org/mod/forum/discuss.php?d=422314
nvd.nist.gov/vuln/detail/CVE-2021-32478

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