How severe is CVE-2016-10956?

CVE-2016-10956 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-2016-10956 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10956?

CVE-2016-10956 affects Mail-masta Project Mail-masta. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10956?

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-2016-10956 published?

CVE-2016-10956 was published on 2019-09-16 and last updated on 2026-06-17.

CVE-2016-10956

CVE-2016-10956 is a high-severity vulnerability in Mail-masta Project Mail-masta with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mail-masta Project Mail-masta
Published: 2019-09-16
Last modified: 2026-06-17

Description

The mail-masta plugin 1.0 for WordPress has local file inclusion in count_of_send.php and csvexport.php.

Frequently asked questions

What is CVE-2016-10956?: The mail-masta plugin 1.0 for WordPress has local file inclusion in count_of_send.php and csvexport.php.
How severe is CVE-2016-10956?: CVE-2016-10956 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-2016-10956 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10956?: CVE-2016-10956 affects Mail-masta Project Mail-masta. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10956?: 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-2016-10956 published?: CVE-2016-10956 was published on 2019-09-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mail-masta_project:mail-masta:1.0:*:*:*:*:wordpress:*:*

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