Is CVE-2018-12426 in the CISA KEV catalog?

No. CVE-2018-12426 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-12426?

CVE-2018-12426 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-12426?

CVE-2018-12426 has an EPSS score of 5.06% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-12426?

Upgrade live chat to 8.0.07 or later.

CVE & CISA-KEV Catalog

CVE-2018-12426

CRITICALEPSS 91th pctl

9.8

CVSS v3

NVD

Description

The WP Live Chat Support Pro plugin before 8.0.07 for WordPress is vulnerable to unauthenticated Remote Code Execution due to client-side validation of allowed file types, as demonstrated by a v1/remote_upload request with a .php filename and the image/jpeg content type.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

live chatNVD

Affected:< 8.0.07Fixed in:8.0.07CVE-2018-12426derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

5.06%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory1

github.com

Other references1

wpvulndb.com

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.