Cyber Resilience

CVE-2021-28000

MediumPublic PoC

Published: 19 August 2021

Published
19 August 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0037 59.3th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28000 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Local Services Search Engine Management System Project Local Services Search Engine Management System. Its CVSS base score is 4.8 (Medium).

Operationally, ranked in the top 40.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A persistent cross-site scripting vulnerability was discovered in Local Services Search Engine Management System Project 1.0 which allows remote attackers to execute arbitrary code via crafted payloads entered into the Name and Address fields.

CWE(s)
CWE-79

Related Threats

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

Affected Assets

local services search engine management system project
local services search engine management system
1.0

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.

CA-8 Penetration Testing
addresses: CWE-79

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

SI-10 Information Input Validation
addresses: CWE-79

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

SI-15 Information Output Filtering
addresses: CWE-79

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

References