How severe is CVE-2023-49821?

CVE-2023-49821 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2023-49821 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49821?

CVE-2023-49821 affects Livechat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49821?

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

When was CVE-2023-49821 published?

CVE-2023-49821 was published on 2023-12-18 and last updated on 2026-06-17.

CVE-2023-49821

CVE-2023-49821 is a medium-severity vulnerability in Livechat with a CVSS 3.x base score of 5.4. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Livechat
Published: 2023-12-18
Last modified: 2026-06-17

Description

Cross-Site Request Forgery (CSRF) vulnerability in LiveChat LiveChat – WP live chat plugin for WordPress.This issue affects LiveChat – WP live chat plugin for WordPress: from n/a through 4.5.15.

Frequently asked questions

What is CVE-2023-49821?: Cross-Site Request Forgery (CSRF) vulnerability in LiveChat LiveChat – WP live chat plugin for WordPress.This issue affects LiveChat – WP live chat plugin for WordPress: from n/a through 4.5.15.
How severe is CVE-2023-49821?: CVE-2023-49821 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2023-49821 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49821?: CVE-2023-49821 affects Livechat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49821?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-49821 published?: CVE-2023-49821 was published on 2023-12-18 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/wp-live-chat-software-for-wordpress/wordpress-livechat-plugin-4-5-15-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:livechat:livechat:*:*:*:*:*:wordpress:*:*

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