Is CVE-2022-35653 in the CISA KEV catalog?

No. CVE-2022-35653 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-35653?

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

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

CVE-2022-35653 has an EPSS score of 3.75% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-35653?

Upgrade moodle to 3.11.8 or later.

CVE & CISA-KEV Catalog

CVE-2022-35653

MEDIUMEPSS 89th pctl

6.1

CVSS v3

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

moodleNVD

Affected:>= 3.11.0, < 3.11.8Fixed in:3.11.8CVE-2022-35653derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

3.75%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch2

Third-Party Advisory1

bugzilla.redhat.com

Other references2

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.