Cyber Resilience

CVE-2023-5238

MediumPublic PoC

Published: 31 October 2023

Published
31 October 2023
Modified
22 April 2025
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0024 48.0th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-5238 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Metagauss Eventprime. Its CVSS base score is 6.1 (Medium).

Operationally, ranked at the 48.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The EventPrime WordPress plugin before 3.2.0 does not sanitise and escape a parameter before outputting it back in the page, leading to an HTML Injection on the plugin in the search area of the website.

CWE(s)

Related Threats

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

Affected Assets

metagauss
eventprime
≤ 3.2.0

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