How severe is CVE-2014-2853?

CVE-2014-2853 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-2853 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2853?

CVE-2014-2853 primarily affects Mediawiki. In total, 193 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2853?

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

When was CVE-2014-2853 published?

CVE-2014-2853 was published on 2014-04-29 and last updated on 2026-06-17.

CVE-2014-2853

CVE-2014-2853 is a medium-severity vulnerability in Mediawiki with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mediawiki
Published: 2014-04-29
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in includes/actions/InfoAction.php in MediaWiki before 1.21.9 and 1.22.x before 1.22.6 allows remote attackers to inject arbitrary web script or HTML via the sort key in an info action.

Frequently asked questions

What is CVE-2014-2853?: Cross-site scripting (XSS) vulnerability in includes/actions/InfoAction.php in MediaWiki before 1.21.9 and 1.22.x before 1.22.6 allows remote attackers to inject arbitrary web script or HTML via the sort key in an info action.
How severe is CVE-2014-2853?: CVE-2014-2853 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-2853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2853?: CVE-2014-2853 primarily affects Mediawiki. In total, 193 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2853?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2853 published?: CVE-2014-2853 was published on 2014-04-29 and last updated on 2026-06-17.

References

Affected products (193)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.5:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.6:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.7:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.8:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.9:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.10:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.11:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.12:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.13:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.14:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.3.15:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4:beta1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4:beta2:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4:beta3:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4:beta4:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4:beta5:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4:beta6:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.4.7:*:*:*:*:*:*:*

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