CVE-2025-27343
Published: 17 April 2025
Summary
CVE-2025-27343 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, ranked in the top 28.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability CVE-2025-27343 is a reflected cross-site scripting flaw (CWE-79) caused by improper neutralization of input during web page generation. It affects the WooCommerce HTML5 Video plugin for WordPress in all versions through 1.7.10.
An unauthenticated remote attacker can exploit the issue by supplying a crafted request that is reflected back to a victim user. Successful exploitation allows the attacker to execute arbitrary script code in the victim's browser within the context of the affected site, resulting in limited impacts to confidentiality, integrity, and availability.
The vulnerability is tracked in the Patchstack database, which identifies the reflected cross-site scripting exposure in the specified plugin versions.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-11641
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Webilop WooCommerce HTML5 Video woocommerce-html5-video allows Reflected XSS.This issue affects WooCommerce HTML5 Video: from n/a through <= 1.7.10.
- 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.