How severe is CVE-2015-7859?

CVE-2015-7859 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-7859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7859?

CVE-2015-7859 primarily affects Joomla Joomla!. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7859?

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

When was CVE-2015-7859 published?

CVE-2015-7859 was published on 2015-10-29 and last updated on 2026-06-17.

CVE-2015-7859

CVE-2015-7859 is a medium-severity vulnerability in Joomla Joomla! with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Joomla Joomla!
Published: 2015-10-29
Last modified: 2026-06-17

Description

The com_contenthistory component in Joomla! 3.2 before 3.4.5 does not properly check ACLs, which allows remote attackers to obtain sensitive information via unspecified vectors.

Frequently asked questions

What is CVE-2015-7859?: The com_contenthistory component in Joomla! 3.2 before 3.4.5 does not properly check ACLs, which allows remote attackers to obtain sensitive information via unspecified vectors.
How severe is CVE-2015-7859?: CVE-2015-7859 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-7859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7859?: CVE-2015-7859 primarily affects Joomla Joomla!. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-7859 published?: CVE-2015-7859 was published on 2015-10-29 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:a:joomla:joomla\!:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.3:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.4:*:*:*:*:*:*:*

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