How severe is CVE-2020-36170?

CVE-2020-36170 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-2020-36170 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-2020-36170?

CVE-2020-36170 affects Ultimatemember Ultimate Member. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36170?

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

When was CVE-2020-36170 published?

CVE-2020-36170 was published on 2021-01-06 and last updated on 2026-06-17.

CVE-2020-36170

CVE-2020-36170 is a medium-severity vulnerability in Ultimatemember Ultimate Member 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ultimatemember Ultimate Member
Published: 2021-01-06
Last modified: 2026-06-17

Description

The Ultimate Member plugin before 2.1.13 for WordPress mishandles hidden name="timestamp" fields in forms.

Frequently asked questions

What is CVE-2020-36170?: The Ultimate Member plugin before 2.1.13 for WordPress mishandles hidden name="timestamp" fields in forms.
How severe is CVE-2020-36170?: CVE-2020-36170 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-2020-36170 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-2020-36170?: CVE-2020-36170 affects Ultimatemember Ultimate Member. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36170?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-36170 published?: CVE-2020-36170 was published on 2021-01-06 and last updated on 2026-06-17.

References

https://wordpress.org/plugins/ultimate-member/#developers

Affected products (1)

cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:*

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