How severe is CVE-2016-10959?

CVE-2016-10959 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-10959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10959?

CVE-2016-10959 affects Estatik. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10959?

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

When was CVE-2016-10959 published?

CVE-2016-10959 was published on 2019-09-16 and last updated on 2026-06-17.

CVE-2016-10959

CVE-2016-10959 is a medium-severity vulnerability in Estatik with a CVSS 3.x base score of 6.5. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Estatik
Published: 2019-09-16
Last modified: 2026-06-17

Description

The estatik plugin before 2.3.1 for WordPress has authenticated arbitrary file upload (exploitable with CSRF) via es_media_images[] to wp-admin/admin-ajax.php.

Frequently asked questions

What is CVE-2016-10959?: The estatik plugin before 2.3.1 for WordPress has authenticated arbitrary file upload (exploitable with CSRF) via es_media_images[] to wp-admin/admin-ajax.php.
How severe is CVE-2016-10959?: CVE-2016-10959 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-10959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10959?: CVE-2016-10959 affects Estatik. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-10959 published?: CVE-2016-10959 was published on 2019-09-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:estatik:estatik:*:*:*:*:*:wordpress:*:*

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