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.
CVE-2025-67857
This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 76% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EG Risk
- 19(Track)EG Risk 19/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity43% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 23.7%
- KEV
- Not listed
Published
February 3, 2026
Last Modified
February 11, 2026
References (3)
- patrick@puiterwijkhttps://access.redhat.com/security/cve/CVE-2025-67857
- patrick@puiterwijkhttps://bugzilla.redhat.com/show_bug.cgi?id=2423868
- patrick@puiterwijkhttps://moodle.org/mod/forum/discuss.php?d=471307
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| moodle/moodle | v5.1.0, v5.1.0-beta, v5.1.0-rc1, v5.1.0-rc2 | 5.1.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2025-67857?
When was CVE-2025-67857 disclosed?
Is CVE-2025-67857 actively exploited?
What is the CVSS score of CVE-2025-67857?
How do I remediate CVE-2025-67857?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-67857
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