How severe is CVE-2012-0046?

CVE-2012-0046 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2012-0046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0046?

CVE-2012-0046 affects Mediawiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-0046?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-0046 published?

CVE-2012-0046 was published on 2019-10-29 and last updated on 2026-06-16.

CVE-2012-0046

CVE-2012-0046 is a high-severity vulnerability in Mediawiki with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Mediawiki
Published: 2019-10-29
Last modified: 2026-06-16

Description

mediawiki allows deleted text to be exposed

Frequently asked questions

What is CVE-2012-0046?: mediawiki allows deleted text to be exposed
How severe is CVE-2012-0046?: CVE-2012-0046 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2012-0046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0046?: CVE-2012-0046 affects Mediawiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-0046?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-0046 published?: CVE-2012-0046 was published on 2019-10-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

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