CVE-2025-24545
Published: 03 February 2025
Summary
CVE-2025-24545 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 12.7th 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-2025-24545 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the BSK Forms Validation plugin (bsk-gravity-forms-custom-validation) for WordPress developed by bannersky. The issue affects all versions of the plugin from n/a through 1.7 inclusive. It was published on 2025-02-03 with 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 vulnerability remotely over the network with low attack complexity, requiring no privileges but user interaction, such as clicking a malicious link. Exploitation changes the scope and enables arbitrary script execution in the context of the victim's browser on sites using the affected plugin, resulting in low impacts to confidentiality, integrity, and availability.
The Patchstack advisory details the vulnerability in the WordPress plugin database and recommends mitigation through updating to a version of BSK Forms Validation beyond 1.7, where the issue is addressed.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-3756
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bannersky BSK Forms Validation bsk-gravity-forms-custom-validation allows Reflected XSS.This issue affects BSK Forms Validation: from n/a through <= 1.7.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables exploitation of the web application (T1190) for arbitrary JavaScript execution in the victim's browser (T1059.007).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Filters web page outputs to neutralize malicious scripts reflected from user inputs, directly preventing the XSS exploitation in the BSK Forms Validation plugin.
Validates and sanitizes untrusted inputs during web page generation to block injection of executable scripts, addressing the improper neutralization flaw.
Requires timely flaw remediation through updating the vulnerable BSK Forms Validation plugin beyond version 1.7, eliminating the root XSS vulnerability.