Is CVE-2022-45150 in the CISA KEV catalog?

No. CVE-2022-45150 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-45150?

CVE-2022-45150 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2022-45150?

CVE-2022-45150 has an EPSS score of 0.67% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-45150?

Upgrade moodle to 4.0.5 or later.

CVE & CISA-KEV Catalog

CVE-2022-45150

MEDIUM

6.1

CVSS v3

NVD

Description

A reflected cross-site scripting vulnerability was discovered in Moodle. This flaw exists due to insufficient sanitization of user-supplied data in policy tool. An attacker can trick the victim to open a specially crafted link that executes an arbitrary HTML and script code in user's browser in context of vulnerable website. This vulnerability may allow an attacker to perform cross-site scripting (XSS) attacks to gain access potentially sensitive information and modification of web pages.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

moodleNVD

Affected:>= 4.0.0, < 4.0.5Fixed in:4.0.5CVE-2022-45150derived 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

0.67%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Other references6

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

Embed a live status badge for CVE-2022-45150

Markdown

[![CVE-2022-45150](https://tridentstack.com/cve/badge/CVE-2022-45150.svg)](https://tridentstack.com/cve/CVE-2022-45150)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-45150"><img src="https://tridentstack.com/cve/badge/CVE-2022-45150.svg" alt="CVE-2022-45150"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2025-04-25.