How severe is CVE-2023-23734?

CVE-2023-23734 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-23734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23734?

CVE-2023-23734 affects Userlike. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23734?

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

When was CVE-2023-23734 published?

CVE-2023-23734 was published on 2023-05-09 and last updated on 2026-06-17.

CVE-2023-23734

CVE-2023-23734 is a medium-severity vulnerability in Userlike with a CVSS 3.x base score of 5.9. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Userlike
Published: 2023-05-09
Last modified: 2026-06-17

Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in David Voswinkel Userlike – WordPress Live Chat plugin <= 2.2 versions.

Frequently asked questions

What is CVE-2023-23734?: Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in David Voswinkel Userlike – WordPress Live Chat plugin <= 2.2 versions.
How severe is CVE-2023-23734?: CVE-2023-23734 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-23734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23734?: CVE-2023-23734 affects Userlike. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-23734 published?: CVE-2023-23734 was published on 2023-05-09 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/userlike/wordpress-userlike-wordpress-live-chat-plugin-plugin-2-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:userlike:userlike:*:*:*:*:*:wordpress:*:*

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