How severe is CVE-2018-1042?

CVE-2018-1042 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1042?

CVE-2018-1042 primarily affects Moodle. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1042?

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

When was CVE-2018-1042 published?

CVE-2018-1042 was published on 2018-01-22 and last updated on 2026-06-17.

CVE-2018-1042

CVE-2018-1042 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 6.5. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Moodle
Published: 2018-01-22
Last modified: 2026-06-17

Description

Moodle 3.x has Server Side Request Forgery in the filepicker.

Frequently asked questions

What is CVE-2018-1042?: Moodle 3.x has Server Side Request Forgery in the filepicker.
How severe is CVE-2018-1042?: CVE-2018-1042 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1042?: CVE-2018-1042 primarily affects Moodle. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1042?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1042 published?: CVE-2018-1042 was published on 2018-01-22 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.2.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:3.4.0:*:*:*:*:*:*:*

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