CVE-2025-23638
Published: 26 March 2025
Summary
CVE-2025-23638 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 40.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).
Deeper analysis
CVE-2025-23638 is an Improper Neutralization of Input During Web Page Generation vulnerability, enabling Reflected Cross-site Scripting (XSS) as classified under CWE-79. It affects the Frontend Post Submission WordPress plugin by Umesh Ghimire, impacting all versions from n/a through 1.0 inclusive. Published on 2025-03-26T15:15:58.940, the vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).
Attackers can exploit this over the network with low complexity and no required privileges, though it demands user interaction such as clicking a malicious link. Successful exploitation injects scripts into reflected user input on web pages, allowing limited impacts on confidentiality, integrity, and availability while changing scope to potentially affect other users or resources.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/frontend-post-submission/vulnerability/wordpress-frontend-post-submission-plugin-1-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve provides details on this Reflected XSS issue in the Frontend Post Submission plugin version 1.0 for mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-8190
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Umesh Ghimire Frontend Post Submission frontend-post-submission allows Reflected XSS.This issue affects Frontend Post Submission: from n/a through <= 1.0.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The reflected XSS vulnerability in a public-facing WordPress plugin directly enables exploitation of public-facing applications (T1190) and execution of arbitrary JavaScript in the victim's browser (T1059.007).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-15 directly prevents reflected XSS by filtering information output to web pages, addressing the improper neutralization during web page generation in this CVE.
SI-10 enforces input validation and sanitization to block malicious scripts in user inputs reflected by the vulnerable WordPress plugin.
SI-2 ensures timely identification, reporting, and remediation of the specific flaw in the Frontend Post Submission plugin, patching the XSS vulnerability.