CVE-2025-68873
Published: 08 January 2026
Summary
CVE-2025-68873 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 7.3th 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-2025-68873 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the PRIMER WordPress plugin developed by chloédigital (primer-by-chloedigital). This issue affects all versions of the plugin from n/a through 1.0.25 inclusive. The vulnerability was published on 2026-01-08 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).
A network-based attacker requires no privileges and can exploit this with low attack complexity, though it demands user interaction such as clicking a malicious link. Upon successful exploitation, the attacker can execute arbitrary scripts in the context of the victim's browser, leading to low impacts on confidentiality, integrity, and availability, with a changed scope that may affect the security context beyond the vulnerable component.
The primary advisory from Patchstack details this as a Reflected XSS vulnerability specifically in WordPress plugin primer-by-chloedigital version 1.0.25 and provides vulnerability data for mitigation guidance. Security practitioners should consult https://patchstack.com/database/Wordpress/Plugin/primer-by-chloedigital/vulnerability/wordpress-primer-by-chloedigital-plugin-1-0-25-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve for recommended patches or workarounds.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-1504
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in chloédigital PRIMER by chloédigital primer-by-chloedigital allows Reflected XSS.This issue affects PRIMER by chloédigital: from n/a through <= 1.0.25.
- 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 app (T1190) followed by arbitrary JavaScript execution in the victim browser (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 payload in primer-by-chloedigital.
Mandates filtering or encoding of information outputs so that script content injected via the reflected XSS vector cannot execute in the victim's browser.
Provides malicious-code detection and blocking mechanisms that can identify or stop execution of the arbitrary scripts delivered through the reflected XSS attack.