CVE-2016-10956

HIGHNVD 7.59.0▲Elevated

7.5

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

CVSS v3: 7.5
EG Score: 9.0(high)
EPSS: 99.7%
KEV: Not listed

Published

September 16, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://cxsecurity.com/issue/WLB-2016080220
cve@mitrehttps://wordpress.org/plugins/mail-masta/#developers
cve@mitrehttps://wpvulndb.com/vulnerabilities/8609
af854a3a-2127-422b-91ae-364da2661108https://cxsecurity.com/issue/WLB-2016080220
af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/plugins/mail-masta/#developers
af854a3a-2127-422b-91ae-364da2661108https://wpvulndb.com/vulnerabilities/8609

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 6× in last 7d / 14× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:22 UTCepss_batch
2026-06-07 15:22 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 14:32 UTCEG score recompute
2026-05-27 14:32 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 11:51 UTCOSV refresh

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCHackhoven/wp-mail-masta-exploit
First seen Jun 5, 2024
Exploit script for WordPress Plugin Mail Masta 1.0 - CVE-2016-10956
Open source ↗
GitHub PoCp0dalirius/CVE-2016-10956-mail-masta
First seen Dec 10, 2021
MailMasta wordpress plugin Local File Inclusion vulnerability (CVE-2016-10956)
Open source ↗
Nucleihttp/cves/2016/CVE-2016-10956.yaml
First seen Jan 1, 2016
WordPress Mail Masta 1.0 - Local File Inclusion
Open source ↗

Frequently asked(5)

What is CVE-2016-10956?

CVE-2016-10956 is a high vulnerability published on September 16, 2019. The mail-masta plugin 1.0 for WordPress has local file inclusion in countofsend.php and csvexport.php.

When was CVE-2016-10956 disclosed?

CVE-2016-10956 was first published in the National Vulnerability Database on September 16, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-10956 actively exploited?

CVE-2016-10956 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-10956?

CVE-2016-10956 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

How do I remediate CVE-2016-10956?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-10956, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2016-10956

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2016-10956?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)