Cyber Resilience

CVE-2023-5051

Medium

Published: 27 October 2023

Published
27 October 2023
Modified
08 April 2026
KEV Added
Patch
CVSS Score v3.1 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
EPSS Score 0.0011 29.6th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-5051 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Callrail Callrail Phone Call Tracking. Its CVSS base score is 6.4 (Medium).

Operationally, ranked at the 29.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The CallRail Phone Call Tracking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'callrail_form' shortcode in versions up to, and including, 0.5.2 due to insufficient input sanitization and output escaping on the 'form_id' user supplied attribute. This…

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makes it possible for authenticated attackers with contributor level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

callrail
callrail phone call tracking
≤ 0.5.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References