How severe is CVE-2020-5182?

CVE-2020-5182 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-5182 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5182?

CVE-2020-5182 affects Cmsjunkie J-businessdirectory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5182?

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

When was CVE-2020-5182 published?

CVE-2020-5182 was published on 2020-02-03 and last updated on 2026-06-17.

CVE-2020-5182

CVE-2020-5182 is a medium-severity vulnerability in Cmsjunkie J-businessdirectory with a CVSS 3.x base score of 6.5. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Cmsjunkie J-businessdirectory
Published: 2020-02-03
Last modified: 2026-06-17

Description

The J-BusinessDirectory extension before 5.2.9 for Joomla! allows Reverse Tabnabbing. In some configurations, the link to the business website can be entered by any user. If it doesn't contain rel="noopener" (or similar attributes such as noreferrer), the tabnabbing may occur. To reproduce the bug, create a business with a website link that contains JavaScript to exploit the window.opener property (for example, by setting window.opener.location).

Frequently asked questions

What is CVE-2020-5182?: The J-BusinessDirectory extension before 5.2.9 for Joomla! allows Reverse Tabnabbing. In some configurations, the link to the business website can be entered by any user. If it doesn't contain rel="noopener" (or similar attributes such as noreferrer), the tabnabbing may occur. To reproduce the bug, create a business with a website link that contains JavaScript to exploit the window.opener property (for example, by setting window.opener.location).
How severe is CVE-2020-5182?: CVE-2020-5182 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-5182 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5182?: CVE-2020-5182 affects Cmsjunkie J-businessdirectory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5182?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5182 published?: CVE-2020-5182 was published on 2020-02-03 and last updated on 2026-06-17.

References

https://www.cmsjunkie.com/blog/joomla_business_directory_5-2-9_release/

Affected products (1)

cpe:2.3:a:cmsjunkie:j-businessdirectory:*:*:*:*:*:joomla\!:*:*

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