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Manual WordPress Theme CVE-2026-65511

| EUVDEUVD-2026-48117 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-07-23 Patchstack GHSA-53c7-8pxh-9wvm
7.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
7.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
vuln.today AI
7.1 HIGH

Network-reachable unauthenticated XSS requiring victim interaction (UI:R); injected script crosses into the site/admin context so scope changes (S:C), with partial confidentiality/integrity/availability impact typical of XSS.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Jul 23, 2026 - 12:29 vuln.today
CVE Published
Jul 23, 2026 - 11:19 cve.org
HIGH 7.1

DescriptionCVE.org

Unauthenticated Cross Site Scripting (XSS) in Manual - Documentation, Knowledge Base & Education WordPress Theme <= 7.5.4 versions.

AnalysisAI

Reflected/stored Cross-Site Scripting in the Manual - Documentation, Knowledge Base & Education WordPress theme (pixelacehq) affects all versions up to and including 7.5.4, allowing unauthenticated attackers to inject malicious script that executes in a victim's browser when they interact with a crafted link or page. Because the CVSS scope is changed (S:C), successful exploitation can impact resources beyond the theme itself, such as the WordPress admin session context. This is a Patchstack-reported issue with no public exploit identified at time of analysis and no evidence of active exploitation.

Technical ContextAI

The vulnerability is a classic CWE-79 (Improper Neutralization of Input During Web Page Generation) flaw in a WordPress presentation-layer theme. WordPress themes render user- or request-supplied data into HTML templates; when that data is echoed without proper output encoding or input sanitization, an attacker can smuggle <script> or event-handler payloads that the browser executes in the site's origin. The affected component per CPE is cpe:2.3:a:pixelacehq:manual_-_documentation,_knowledge_base_&_education_wordpress_theme, a documentation/knowledge-base/education theme by vendor PixelAce. The CVSS scope-change flag (S:C) indicates the injected script crosses a trust boundary - typically executing in the context of an authenticated admin or another user rather than only the attacker's own session.

RemediationAI

Upgrade the Manual theme to a release newer than 7.5.4 once the vendor publishes a fixed version; the Patchstack advisory (https://patchstack.com/database/wordpress/theme/manual/vulnerability/wordpress-manual-documentation-knowledge-base-education-wordpress-theme-theme-7-5-4-cross-site-scripting-xss-vulnerability-2) is the authoritative source for the patched version, which was not included in the supplied data and could not be independently confirmed. Because no fixed version is confirmed in the input (No vendor-released patch version identified at time of analysis from the provided data), apply compensating controls in the interim: deploy a WAF or virtual patch (Patchstack offers one for this CVE) to filter XSS payloads on the vulnerable request parameters; restrict or sanitize access to the theme's affected endpoints; and enforce a strict Content-Security-Policy that disallows inline script execution to blunt reflected payloads - noting CSP may break theme features that rely on inline scripts and requires testing. Educate admins not to click untrusted links pointing at the site, since exploitation requires user interaction.

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CVE-2026-65511 vulnerability details – vuln.today

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