CVE-2023-4460
Published: 04 December 2023
Summary
CVE-2023-4460 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Uploading Svg\, Webp And Ico Files Project Uploading Svg\, Webp And Ico Files. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 8.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The vulnerability CVE-2023-4460 is an instance of CWE-79 cross-site scripting that affects the Uploading SVG, WEBP and ICO files WordPress plugin through version 1.2.1. The root cause is missing sanitization of SVG files at upload time, which permits inclusion of script payloads inside otherwise valid image content.
An authenticated user with the Author role or higher can upload a crafted SVG containing XSS payloads. Successful exploitation allows the attacker to execute scripts in the browsers of other users who view the uploaded file, producing limited confidentiality and integrity impacts with changed scope as reflected in the CVSS 5.4 rating.
The supplied references point to WPScan vulnerability records for this issue; no explicit patch or mitigation guidance is stated in the available data. The associated EPSS score has remained flat at 0.0730 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-54315
Vulnerability details
The Uploading SVG, WEBP and ICO files WordPress plugin through 1.2.1 does not sanitise uploaded SVG files, which could allow users with a role as low as Author to upload a malicious SVG containing XSS payloads.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.