Cyber Resilience

CVE-2023-5024

LowPublic PoC

Published: 17 September 2023

Published
17 September 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0010 27.5th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-5024 is a low-severity Cross-site Scripting (CWE-79) vulnerability in Planno Planning Biblio. Its CVSS base score is 3.5 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked at the 27.5th 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

A vulnerability was found in Planno 23.04.04. It has been classified as problematic. This affects an unknown part of the component Comment Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit…

more

has been disclosed to the public and may be used. The identifier VDB-239865 was assigned to this vulnerability.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
Why these techniques?

The reflected XSS vulnerability (CWE-79) in Planno's Comment Handler enables injection and execution of malicious JavaScript in authenticated users' browsers upon viewing affected content, directly facilitating T1059.007 (JavaScript) as explicitly mapped by VulDB.

Affected Assets

planno
planning biblio
23.04.04

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