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CVE-2022-35653

MEDIUM
6.1
CVSS Score
Published: July 25, 2022 at 03:33 PM UTC
Updated: June 17, 2026 at 04:52 AM UTC
4 products affected across 3 vendorsFedoraEnterprise LinuxMoodle

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Severity
MEDIUM6.1
Exploit prediction
EPSS 5%

Description

A reflected XSS issue was identified in the LTI module of Moodle. The vulnerability exists due to insufficient sanitization of user-supplied data in the LTI module. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website to steal potentially sensitive information, change appearance of the web page, can perform phishing and drive-by-download attacks. This vulnerability does not impact authenticated users.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fedora· Fedora Projectrpm
95%
3536
Moodle· Moodle
95%
3.11.0 ≤ v < 3.11.83.9.0 ≤ v < 3.9.154.0.04.0.0 beta4.0.0 rc14.0.0 rc24.0.0 rc34.0.0 rc44.0.1
Affected range stops below 3.11.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.9.15, so it looks safe — our inference, not a vendor statement
Enterprise Linux· Red Hatrpm
95%
8.0
Moodle· Fedora Project
60%
All versions
Vendor states this is fixed in 4.0.2 (unaffected)

References (5)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-72299
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2106277
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MOKYVRNFNAODP2XSMGJ5CRDUZCZKAR3/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTKUSFPSYFINSQFSOHDQIDVE6FWBEU6V/
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://moodle.org/mod/forum/discuss.php?d=436460

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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