CVE-2025-23629
Published: 23 January 2025
Summary
CVE-2025-23629 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 Spearphishing Link (T1566.002); ranked at the 38.9th 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).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly mitigates reflected XSS by filtering information outputs to neutralize attacker-controlled input reflected as executable script in the victim's browser.
Enforces validation of user inputs to prevent improper neutralization that allows XSS payloads in the Gallerio WordPress plugin.
Requires timely identification, reporting, and correction of the specific flaw in Gallerio versions through 1.0.1 via patching.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS enables attackers to execute scripts in the victim's browser by crafting and delivering malicious links that reflect unsanitized input, directly facilitating spearphishing links (T1566.002) and user execution via malicious links (T1204.001).
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Subhasis Laha Gallerio gallerio allows Reflected XSS.This issue affects Gallerio: from n/a through <= 1.0.1.
Deeper analysisAI
CVE-2025-23629 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Gallerio WordPress plugin developed by Subhasis Laha. This issue affects Gallerio versions from n/a through 1.0.1.
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), the vulnerability can be exploited by unauthenticated attackers accessible over the network with low attack complexity. Exploitation requires user interaction, such as clicking a malicious link that triggers reflection of attacker-controlled input as executable script in the victim's browser, enabling limited impacts on confidentiality, integrity, and availability within a changed security scope.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/gallerio/vulnerability/wordpress-gallerio-plugin-1-0-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve documents this reflected XSS vulnerability in the WordPress Gallerio plugin version 1.0.1. Security practitioners should consult this reference for details on mitigation and available patches.
Details
- CWE(s)