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CVE-2025-67857

MEDIUMCVSS 5.3/10EPSS 0.34%

Last modified

CVE-2025-67857 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
0.34%

26.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle< 4.1.21
MoodleMoodle>= 4.4.0, < 4.4.11
MoodleMoodle>= 4.5.0, < 4.5.8
MoodleMoodle>= 5.0.0, < 5.0.4
MoodleMoodle5.1.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-67857?
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.
How severe is CVE-2025-67857?
CVE-2025-67857 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2025-67857?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-67857?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST