How severe is CVE-2014-3454?

CVE-2014-3454 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2014-3454 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3454?

CVE-2014-3454 primarily affects Mediawiki. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3454?

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

When was CVE-2014-3454 published?

CVE-2014-3454 was published on 2014-05-12 and last updated on 2026-06-17.

CVE-2014-3454

CVE-2014-3454 is a medium-severity vulnerability in Mediawiki with a CVSS 2.0 base score of 6.8. 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: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Mediawiki
Published: 2014-05-12
Last modified: 2026-06-17

Description

Cross-site request forgery (CSRF) vulnerability in Special:CreateCategory in the SemanticForms extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to hijack the authentication of users for requests that create categories via unspecified vectors.

Frequently asked questions

What is CVE-2014-3454?: Cross-site request forgery (CSRF) vulnerability in Special:CreateCategory in the SemanticForms extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to hijack the authentication of users for requests that create categories via unspecified vectors.
How severe is CVE-2014-3454?: CVE-2014-3454 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2014-3454 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3454?: CVE-2014-3454 primarily affects Mediawiki. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3454?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3454 published?: CVE-2014-3454 was published on 2014-05-12 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:a:mediawiki:mediawiki:1.22.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.21.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19:beta_1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19:beta_2:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.4:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.5:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.6:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.7:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.19.8:*:*:*:*:*:*:*

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