CVE-2025-11378

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{}

{"analysis": {"en": {"generated_at": "2026-04-28T18:39:50.921757+00:00", "value": {"mitigation_remediation": ["Upgrade the ShortPixel Image Optimizer plugin to the latest stable version that includes the missing capability checks.", "Review user accounts and remove unnecessary Contributor-level privileges from users who do not need them, ensuring only trusted accounts retain access.", "Restrict the use of the 'shortpixel_ajaxRequest' endpoint by configuring WordPress role management or a security plugin to block AJAX requests from untrusted roles.", "Proactively monitor site logs for unusual AJAX activity related to the ShortPixel plugin and investigate any suspicious requests."], "summary": {"action": "Immediate Patch", "impact": "Unauthorized configuration modification"}, "threat_synthesis": {"affected_systems": "ShortPixel Image Optimizer \u2013 Optimize Images, Convert WebP & AVIF, all versions up to and including 6.3.4. The flaw can affect any WordPress site that has the plugin installed and employs user roles with Contributor or higher privileges.", "description_and_impact": "The ShortPixel Image Optimizer plugin for WordPress contains a missing capability check on the 'shortpixel_ajaxRequest' AJAX action, which allows an authenticated user with Contributor-level or higher permissions to export and import site options. This capability bypass enables the attacker to modify the plugin\u2019s configuration data, potentially changing image optimization settings.", "risk_and_exploitability": "The CVSS score of 5.4 indicates moderate severity. The EPSS score of <1% suggests a low likelihood of exploitation, and the vulnerability is not listed in the CISA KEV catalog. Attackers need only authenticated access with Contributor or higher roles; the exploitation path involves sending a crafted AJAX request to the plugin\u2019s endpoint. The missing capability check allows the attacker to change configuration via the export/import functions."}}}}, "created": "2025-10-20T13:21:42.420081+00:00", "updated": "2026-04-28T18:45:15.978612+00:00", "vendors": ["shortpixel", "shortpixel$PRODUCT$image_optimizer", "shortpixel$PRODUCT$shortpixel_image_optimizer", "wordpress", "wordpress$PRODUCT$wordpress"]}