EUVD-2026-43002
GHSA-wjqm-g2vx-78pg
Severity by source
AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Admin-level auth (PR:H) and non-default deployment conditions (AC:H) are required; S:C and C:L/I:L reflect cross-user XSS with limited per-victim impact.
Primary rating from Vendor (wordfence).
CVSS VectorVendor: wordfence
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The WordPress Infinite Scroll - Ajax Load More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 7.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
AnalysisAI
Stored Cross-Site Scripting in the Ajax Load More WordPress plugin (versions through 7.0.1) allows authenticated administrators to inject persistent malicious scripts into pages served to other users. The vulnerability stems from insufficient input sanitization and output escaping in admin-facing settings fields. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two stacked conditions: first, the attacker must hold a WordPress account at administrator level or above (PR:H); second, the target installation must be either a WordPress multisite network OR a single-site installation where the unfiltered_html capability has been explicitly disabled for administrators - both are non-default configurations relative to standard single-site WordPress deployments. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The official CVSS 3.1 score of 4.4 (Medium) reflects the meaningful attack barriers: AC:H acknowledges the deployment-specific conditions (multisite or unfiltered_html disabled), and PR:H reflects the administrator privilege requirement. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained WordPress administrator credentials - through credential stuffing, phishing, or insider access - navigates to the Ajax Load More plugin settings and saves a JavaScript payload into a vulnerable admin field. The payload is stored in the WordPress database and rendered without escaping on any page using the plugin's shortcode or block. … |
| Remediation | Update the Ajax Load More plugin to the version released after 7.0.1 - the upstream patch is committed at WordPress SVN changeset 3033302, but the exact tagged release version should be confirmed via the plugin's WordPress.org page or the Wordfence advisory before deploying. … Detailed patch versions, workarounds, and compensating controls in full report. |
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