How severe is CVE-2019-12498?

CVE-2019-12498 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12498 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12498?

CVE-2019-12498 affects 3cx Live Chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12498?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-12498 published?

CVE-2019-12498 was published on 2020-03-20 and last updated on 2026-06-17.

CVE-2019-12498

CVE-2019-12498 is a critical-severity vulnerability in 3cx Live Chat with a CVSS 3.x base score of 9.8. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: 3cx Live Chat
Published: 2020-03-20
Last modified: 2026-06-17

Description

The WP Live Chat Support plugin before 8.0.33 for WordPress accepts certain REST API calls without invoking the wplc_api_permission_check protection mechanism.

Frequently asked questions

What is CVE-2019-12498?: The WP Live Chat Support plugin before 8.0.33 for WordPress accepts certain REST API calls without invoking the wplc_api_permission_check protection mechanism.
How severe is CVE-2019-12498?: CVE-2019-12498 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12498 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12498?: CVE-2019-12498 affects 3cx Live Chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12498?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-12498 published?: CVE-2019-12498 was published on 2020-03-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:3cx:live_chat:*:*:*:*:*:wordpress:*:*

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CVE-2014-10386 — Medium (CVSS 6.1): The wp-live-chat-support plugin before 4.1.0 for WordPress has JavaScript injections.
CVE-2017-18507 — Medium (CVSS 6.1): The wp-live-chat-support plugin before 7.1.05 for WordPress has XSS.
CVE-2019-14950 — Medium (CVSS 6.1): The wp-live-chat-support plugin before 8.0.27 for WordPress has XSS via the GDPR page.
CVE-2017-18508 — Medium (CVSS 6.1): The wp-live-chat-support plugin before 7.1.03 for WordPress has XSS.

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