How severe is CVE-2016-10996?

CVE-2016-10996 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2016-10996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10996?

CVE-2016-10996 affects Optinmonster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10996?

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

When was CVE-2016-10996 published?

CVE-2016-10996 was published on 2019-09-20 and last updated on 2026-06-17.

CVE-2016-10996

CVE-2016-10996 is a medium-severity vulnerability in Optinmonster with a CVSS 3.x base score of 5.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Optinmonster
Published: 2019-09-20
Last modified: 2026-06-17

Description

The optinmonster plugin before 1.1.4.6 for WordPress has incorrect access control for shortcodes because of a nonce leak.

Frequently asked questions

What is CVE-2016-10996?: The optinmonster plugin before 1.1.4.6 for WordPress has incorrect access control for shortcodes because of a nonce leak.
How severe is CVE-2016-10996?: CVE-2016-10996 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2016-10996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10996?: CVE-2016-10996 affects Optinmonster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-10996 published?: CVE-2016-10996 was published on 2019-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:optinmonster:optinmonster:*:*:*:*:*:wordpress:*:*

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