How severe is CVE-2014-7846?

CVE-2014-7846 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2014-7846 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-7846?

CVE-2014-7846 primarily affects Moodle. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-7846?

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

When was CVE-2014-7846 published?

CVE-2014-7846 was published on 2014-11-24 and last updated on 2026-06-17.

CVE-2014-7846

CVE-2014-7846 is a medium-severity vulnerability in Moodle with a CVSS 2.0 base score of 4.0. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Moodle
Published: 2014-11-24
Last modified: 2026-06-17

Description

tag/tag_autocomplete.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not consider the moodle/tag:edit capability before adding a tag, which allows remote authenticated users to bypass intended access restrictions via an AJAX request.

Frequently asked questions

What is CVE-2014-7846?: tag/tag_autocomplete.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not consider the moodle/tag:edit capability before adding a tag, which allows remote authenticated users to bypass intended access restrictions via an AJAX request.
How severe is CVE-2014-7846?: CVE-2014-7846 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2014-7846 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-7846?: CVE-2014-7846 primarily affects Moodle. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-7846?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-7846 published?: CVE-2014-7846 was published on 2014-11-24 and last updated on 2026-06-17.

References

Affected products (19)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.7:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.8:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.7.2:*:*:*:*:*:*:*

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