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MEDIUM

CVE-2022-35653

CVSS v3

6.1

MEDIUM

EPSS Score

4.8 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • moodleBitnamifrom 3.9.0 · fixed in 3.9.15
  • moodle/moodlePackagistfrom 3.9 · fixed in 3.9.15

Vendor advisories

  • CVE-2022-35653 Red Hat Product Security

    moodle: LTI module reflected XSS risk - affecting unauthenticated users only

Full record on NVD

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.

Technical details

Published
2022-07-25

Frequently asked questions

What is CVE-2022-35653?

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.

Is CVE-2022-35653 actively exploited?

Active exploitation of CVE-2022-35653 has not been confirmed. Its EPSS score was 4.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-35653?

CVE-2022-35653 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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