Is CVE-2025-67857 in the CISA KEV catalog?

No. CVE-2025-67857 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-67857?

CVE-2025-67857 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2025-67857?

CVE-2025-67857 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-67857?

Upgrade moodle to 5.0.4 or later.

CVE & CISA-KEV Catalog

CVE-2025-67857

MEDIUM

4.3

CVSS v3

NVD

Description

A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.

CWE-201

How to fix

Remediation Available

moodleNVD

Affected:>= 5.0.0, < 5.0.4Fixed in:5.0.4CVE-2025-67857derived 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

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Vendor Advisory1

moodle.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-201 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-16026	Medium	5.9	2.6%	-	Fix
CVE-2020-26085	Critical	9.9	2.5%	-	Fix
CVE-2017-2582	Medium	6.5	2.5%	-	Fix
CVE-2022-27779	Medium	5.3	2.4%	-	Fix
CVE-2024-32825	High	7.5	2.0%	-	-
CVE-2016-10518	High	7.5	2.0%	-	Fix

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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 2026-02-11.