CVE-2025-30544
Published: 01 April 2025
Summary
CVE-2025-30544 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
CVE-2025-30544 is a reflected cross-site scripting vulnerability arising from improper neutralization of input during web page generation. It affects the OK Poster Group WordPress plugin, impacting all versions through 1.1.
An unauthenticated remote attacker can exploit the flaw by supplying a crafted URL or link that triggers script execution when a victim user interacts with it. Successful exploitation yields limited impacts on confidentiality, integrity, and availability while changing scope, as indicated by the CVSS 7.1 rating.
The issue is tracked in the Patchstack database, which identifies the reflected XSS condition in the plugin and serves as the primary advisory reference for remediation guidance. The associated EPSS score remains low, moving only from 0.0067 to a peak of 0.0111.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-9110
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in svmidi OK Poster Group ok-poster-group allows Reflected XSS.This issue affects OK Poster Group: from n/a through <= 1.1.
- 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.