How severe is CVE-2016-7964?

CVE-2016-7964 has a CVSS 3.x base score of 8.6, 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-2016-7964 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7964?

CVE-2016-7964 affects Dokuwiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7964?

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-2016-7964 published?

CVE-2016-7964 was published on 2016-10-31 and last updated on 2026-06-17.

CVE-2016-7964

CVE-2016-7964 is a high-severity vulnerability in Dokuwiki with a CVSS 3.x base score of 8.6. 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-918.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 4.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Dokuwiki
Published: 2016-10-31
Last modified: 2026-06-17

Description

The sendRequest method in HTTPClient Class in file /inc/HTTPClient.php in DokuWiki 2016-06-26a and older, when media file fetching is enabled, has no way to restrict access to private networks. This allows users to scan ports of internal networks via SSRF, such as 10.0.0.1/8, 172.16.0.0/12, and 192.168.0.0/16.

Frequently asked questions

What is CVE-2016-7964?: The sendRequest method in HTTPClient Class in file /inc/HTTPClient.php in DokuWiki 2016-06-26a and older, when media file fetching is enabled, has no way to restrict access to private networks. This allows users to scan ports of internal networks via SSRF, such as 10.0.0.1/8, 172.16.0.0/12, and 192.168.0.0/16.
How severe is CVE-2016-7964?: CVE-2016-7964 has a CVSS 3.x base score of 8.6, 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-2016-7964 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7964?: CVE-2016-7964 affects Dokuwiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7964?: 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-2016-7964 published?: CVE-2016-7964 was published on 2016-10-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dokuwiki:dokuwiki:2016-06-26a:*:*:*:*:*:*:*

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