CVE-2026-32544
Published: 25 March 2026
Summary
CVE-2026-32544 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 14.4th 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-2026-32544 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Stored Cross-site Scripting (XSS) under CWE-79, in the OOPSpam Anti-Spam WordPress plugin developed by the OOPSpam Team. It affects the oopspam-anti-spam plugin from unknown initial versions through 1.2.62 inclusive. The issue was published on 2026-03-25 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).
The vulnerability enables exploitation over the network with low attack complexity, requiring no privileges but user interaction from a victim. Exploitation changes the security scope, potentially allowing limited impacts to confidentiality, integrity, and availability. In a stored XSS context, an attacker could inject malicious scripts that persist and execute when users access affected pages.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/oopspam-anti-spam/vulnerability/wordpress-oopspam-anti-spam-plugin-1-2-62-cross-site-scripting-xss-vulnerability?_s_id=cve details the issue in the WordPress OOPSpam Anti-Spam plugin up to version 1.2.62, serving as a primary reference for practitioners seeking vulnerability specifics and potential mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-15921
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in OOPSpam Team OOPSpam Anti-Spam oopspam-anti-spam allows Stored XSS.This issue affects OOPSpam Anti-Spam: from n/a through <= 1.2.62.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Stored XSS in public-facing WordPress plugin directly enables T1190 for injection, T1059.007 for JS execution in browser, and T1185 for session hijacking via persistent malicious scripts.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Flaw remediation requires timely patching of the vulnerable OOPSpam Anti-Spam plugin beyond version 1.2.62 to eliminate the stored XSS vulnerability.
Information input validation enforces proper neutralization of user inputs to the plugin, preventing injection of malicious scripts that persist in storage.
Information output filtering neutralizes stored malicious scripts during web page generation, blocking their execution in users' browsers.