CVE-2017-7489

CVE-2017-7489 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 6.3. 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-269.

Key facts

• Severity: Medium (CVSS 3.x base score 6.3)
• CVSS v2: 6.5
• EPSS exploit prediction: 1% (65th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-269
• Affected product: Moodle
• Published: 2017-05-15
• Last modified: 2026-06-17

Description

In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.

Frequently asked questions

What is CVE-2017-7489?

In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.

How severe is CVE-2017-7489?

CVE-2017-7489 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2017-7489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7489?

CVE-2017-7489 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-2017-7489?

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

When was CVE-2017-7489 published?

CVE-2017-7489 was published on 2017-05-15 and last updated on 2026-06-17.

References

• https://moodle.org/mod/forum/discuss.php?d=352353

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:*:*:*:*:*:*

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