Moodle Plugin - SAML Auth Open Redirect

published 2023-01-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-41728

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

Moodle Plugin - SAML Auth may allow Open Redirect through unspecified vectors.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-39183 updated 2025-11-21 cvss 6.5

Moodle: SAML Auth plugin may allow Open Redirect through unspecified vectors.

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-04-08)

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Moodle Plugin - SAML Auth Moodle Plugin - SAML Auth

Classification

Weakness

CWE-601 URL Redirection to Untrusted Site

References

gov.il /en/Departments/faq/cve_advisories
third-party-advisory

Sources

CVE List CVE-2022-39183
NVD CVE-2022-39183

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary