CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
69.2%
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.
packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html
bugzilla.redhat.com/show_bug.cgi?id=1939037
github.com/advisories/GHSA-x2jp-hh65-4xvf
github.com/moodle/moodle/commit/a303eb9e9e387f95ea2a80cb1ce6c0b132ec1cc4
lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/
lists.fedoraproject.org/archives/list/[email protected]/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/
lists.fedoraproject.org/archives/list/[email protected]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/
moodle.org/mod/forum/discuss.php?d=419651
nvd.nist.gov/vuln/detail/CVE-2021-20280
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
69.2%