CVE-2025-67620
Published: 22 January 2026
Summary
CVE-2025-67620 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 20.3th 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-2025-67620 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 CleverSoft Anon anon2x WordPress theme, with versions from an unspecified starting point through 2.2.10 impacted. The issue was published on 2026-01-22T17:16:02.210 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).
A remote attacker requires no privileges and can exploit this over the network with low attack complexity by tricking an authenticated user into interacting, such as clicking a malicious link that reflects input without proper neutralization. Exploitation changes the security scope, allowing script execution in the victim's browser context on the affected site, with low impacts to confidentiality, integrity, and availability.
Patchstack documents this Reflected XSS vulnerability specific to Anon theme version 2.2.10 in their WordPress theme database. Practitioners should consult the advisory at https://patchstack.com/database/Wordpress/Theme/anon2x/vulnerability/wordpress-anon-theme-2-2-10-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve for details on patches and mitigation steps.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-4083
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CleverSoft Anon anon2x allows Reflected XSS.This issue affects Anon: from n/a through <= 2.2.10.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS directly enables arbitrary JavaScript execution in the victim's browser when a crafted malicious link is clicked (T1204.001 + T1059.007).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly requires validation and neutralization of untrusted input before it is used in web page generation, blocking the reflected XSS vector in the Anon theme.
Requires filtering or encoding of information output to browsers, preventing reflected script execution even when input reaches the page generator.
Can be configured to inspect and block malicious script payloads in HTTP requests or responses targeting the vulnerable theme endpoints.