SEOPress Plugin Stored XSS in Analytics Settings

The SEOPress WordPress plugin before 10.4 does not sanitise and escape some of its analytics tracking settings before outputting them in an inline script printed on every front-end page, allowing users granted a SEOPress WordPress plugin before 10.4 capability that an administrator can delegate to lower-privileged roles to perform Stored Cross-Site Scripting attacks that execute in the browser of any site visitor, including a logged-in administrator viewing the front end.

Casky was already ahead

This CVE exploits attack patterns that Casky's 323matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2026-108041 is a stored cross-site scripting (XSS) vulnerability in the SEOPress WordPress plugin affecting versions before 10.4. The flaw exists in the analytics tracking settings, where user-supplied input is not properly sanitized or escaped before being output directly into inline JavaScript on every frontend page. This means an attacker with lower-privileged WordPress roles (those SEOPress capabilities an administrator might delegate) can inject malicious scripts that execute in the browsers of all site visitors, including logged-in administrators. With a CVSS score of 7.1, this represents a high-severity risk, particularly for multi-user WordPress environments where role delegation is common.

Casky's platform identifies attack patterns associated with this vulnerability through its 323 mapped security skills aligned with MITRE ATT&CK techniques TA0001 (Reconnaissance) and TA0043 (Reconnaissance via Persistence). Practitioners using Claude AI's extended reasoning capabilities would detect indicators including: unsanitized parameter injection in plugin settings pages, JavaScript output in HTTP responses containing user-controlled data, and persistence of malicious payloads in WordPress options tables. The platform's skills would flag the privilege escalation path (lower-role user → admin impact), the execution context (inline scripts on every page load), and the persistence mechanism (stored in database settings). Detection findings would surface suspicious analytics configuration parameters, base64-encoded or obfuscated script content in settings, and behavioral indicators of administrative account compromise through visitor-triggered XSS execution chains.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

323 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-108041.

Abuse of Public-Facing API: Mobile API Abuse

mobile security · low

Run

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

MITRE ATT&CK Techniques

TA0001 TA0043

Investigate the attack patterns behind CVE-2026-108041

Casky has 323 skills that investigate the attack patterns behind CVE-2026-108041. Run one and get CVSS-scored findings in 3 minutes.

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