CVE-2017-7490

CVE-2017-7490 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 5.3. 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-668.

Key facts

• Severity: Medium (CVSS 3.x base score 5.3)
• CVSS v2: 5.0
• EPSS exploit prediction: 1% (60th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-668
• Affected product: Moodle
• Published: 2017-05-15
• Last modified: 2026-06-17

Description

In Moodle 2.x and 3.x, searching of arbitrary blogs is possible because a capability check is missing.

Frequently asked questions

What is CVE-2017-7490?

In Moodle 2.x and 3.x, searching of arbitrary blogs is possible because a capability check is missing.

How severe is CVE-2017-7490?

CVE-2017-7490 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2017-7490 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7490?

CVE-2017-7490 primarily affects Moodle. In total, 53 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7490?

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

When was CVE-2017-7490 published?

CVE-2017-7490 was published on 2017-05-15 and last updated on 2026-06-17.

References

• https://moodle.org/mod/forum/discuss.php?d=352354

Affected products (53)

• cpe:2.3:a:moodle:moodle:2.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.0:beta:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.4:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.6:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.7:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.8:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.9:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.10:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.11:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.12:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.13:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.14:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.15:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.16:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.17:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:2.7.18:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.0:beta:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.0:rc3:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.0:rc4:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.1.0:beta:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.1.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:moodle:moodle:3.1.0:rc2:*:*:*:*:*:*

More vulnerabilities in Moodle

• CVE-2006-4935 — Critical (CVSS 10.0): The Database module in Moodle before 1.6.2 does not properly handle uploaded files, which has unspecified impact and…
• CVE-2006-4936 — Critical (CVSS 10.0): Moodle before 1.6.2 does not properly validate the module instance id when creating a course module object, which has…
• CVE-2005-2247 — Critical (CVSS 10.0): Multiple unknown vulnerabilities in Moodle before 1.5.1 have unknown impact and attack vectors.
• CVE-2004-2233 — Critical (CVSS 10.0): Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors.
• CVE-2004-2236 — Critical (CVSS 10.0): Unknown vulnerability in Moodle before 1.3.3 has unknown impact and attack vectors, related to language setting.
• CVE-2004-2237 — Critical (CVSS 10.0): Unknown vulnerability in Moodle before 1.3.4 has unknown impact and attack vectors, related to "strings in Moodle…

All CVEs affecting Moodle →

Other CWE-668 (Exposure of Resource to Wrong Sphere) vulnerabilities

• CVE-2025-2857 — Critical (CVSS 10.0): Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in…
• CVE-2019-8779 — Critical (CVSS 10.0): A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct…
• CVE-2012-1846 — Critical (CVSS 10.0): Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the sandbox protection mechanism by leveraging…
• CVE-2022-43684 — Critical (CVSS 9.9): ServiceNow has released patches and an upgrade that address an Access Control List (ACL) bypass issue in ServiceNow…
• CVE-2022-24900 — Critical (CVSS 9.9): Piano LED Visualizer is software that allows LED lights to light up as a person plays a piano connected to a computer.…
• CVE-2019-16541 — Critical (CVSS 9.9): Jenkins JIRA Plugin 3.0.10 and earlier does not declare the correct (folder) scope for per-folder Jira site…

Browse all CWE-668 (Exposure of Resource to Wrong Sphere) vulnerabilities →