How severe is CVE-2025-3635?

CVE-2025-3635 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-3635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3635?

CVE-2025-3635 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3635?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-3635 have an EU (EUVD) identifier?

Yes. CVE-2025-3635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12526.

When was CVE-2025-3635 published?

CVE-2025-3635 was published on 2025-04-25 and last updated on 2026-06-17.

CVE-2025-3635

CVE-2025-3635 is a low-severity vulnerability in Moodle with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12526
Weakness: CWE-352
Affected product: Moodle
Published: 2025-04-25
Last modified: 2026-06-17

Description

A security vulnerability was discovered in Moodle that allows anyone to duplicate existing tours without needing to log in due to a lack of protection against cross-site request forgery (CSRF) attacks.

Frequently asked questions

What is CVE-2025-3635?: A security vulnerability was discovered in Moodle that allows anyone to duplicate existing tours without needing to log in due to a lack of protection against cross-site request forgery (CSRF) attacks.
How severe is CVE-2025-3635?: CVE-2025-3635 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-3635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3635?: CVE-2025-3635 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3635?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3635 have an EU (EUVD) identifier?: Yes. CVE-2025-3635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12526.
When was CVE-2025-3635 published?: CVE-2025-3635 was published on 2025-04-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

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