CVE-2025-23487
Published: 03 March 2025
Summary
CVE-2025-23487 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 Malicious Link (T1204.001); ranked at the 29.3th 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-2025-23487 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the odihost Easy Gallery WordPress plugin (simple-gallery-odihost). This issue affects all versions of the plugin from n/a through 1.4 inclusive. The vulnerability was published on 2025-03-03 and 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 vulnerability remotely over the network with low attack complexity and no privileges required, though it necessitates user interaction such as visiting a maliciously crafted URL. Upon successful exploitation, adversaries can inject and execute arbitrary scripts in the context of the affected user's browser session, achieving low impacts on confidentiality, integrity, and availability with a changed scope.
Patchstack provides detailed advisory information on this vulnerability at https://patchstack.com/database/Wordpress/Plugin/simple-gallery-odihost/vulnerability/wordpress-easy-gallery-plugin-1-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve, which security practitioners should consult for recommended mitigations and any available patches.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-5735
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in odihost Easy Gallery simple-gallery-odihost allows Reflected XSS.This issue affects Easy Gallery: from n/a through <= 1.4.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The reflected XSS vulnerability allows injection and execution of arbitrary scripts in the user's browser when visiting a maliciously crafted URL, directly facilitating user execution via malicious links (T1204.001) and JavaScript command/script interpretation (T1059.007).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires filtering of information outputs to neutralize untrusted input during web page generation, directly preventing reflected XSS script injection in the browser.
Mandates validation of inputs at entry points, blocking malicious payloads from being processed and reflected by the vulnerable Easy Gallery plugin.
Directs timely identification, reporting, and correction of the specific flaw in the odihost Easy Gallery plugin, including applying patches for versions up to 1.4.