How severe is CVE-2020-36503?

CVE-2020-36503 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36503?

CVE-2020-36503 affects Connections-pro Connections Business Directory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36503?

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-2020-36503 published?

CVE-2020-36503 was published on 2021-11-01 and last updated on 2026-06-17.

CVE-2020-36503

CVE-2020-36503 is a high-severity vulnerability in Connections-pro Connections Business Directory with a CVSS 3.x base score of 8.0. 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-1236.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 6.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Connections-pro Connections Business Directory
Published: 2021-11-01
Last modified: 2026-06-17

Description

The Connections Business Directory WordPress plugin before 9.7 does not validate or sanitise some connections' fields, which could lead to a CSV injection issue

Frequently asked questions

What is CVE-2020-36503?: The Connections Business Directory WordPress plugin before 9.7 does not validate or sanitise some connections' fields, which could lead to a CSV injection issue
How severe is CVE-2020-36503?: CVE-2020-36503 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36503?: CVE-2020-36503 affects Connections-pro Connections Business Directory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36503?: 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-2020-36503 published?: CVE-2020-36503 was published on 2021-11-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:connections-pro:connections_business_directory:*:*:*:*:*:wordpress:*:*

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