CVE-2026-2027

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.49]"}}], "product": "amp_enhancer_\u2013_compatibility_layer_for_official_amp_plugin", "vendor": "ampenhancer"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "product": "wordpress", "vendor": "wordpress"}], "analysis": {"en": {"generated_at": "2026-04-16T00:48:15.609860+00:00", "value": {"mitigation_remediation": ["Upgrade AMP Enhancer to a version newer than 1.0.49, which removes the insecure handling of custom CSS.", "Delete or clear any custom CSS entries that contain user\u2011supplied content to eliminate the stored scripts.", "Limit the number of users with Administrator\u2011level access and audit roles to ensure only trusted accounts can modify the plugin settings."], "summary": {"action": "Patch", "impact": "Stored Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "WordPress installations that use AMP Enhancer version\u202f1.0.49 or earlier, specifically in multi\u2011site configurations or where the unfiltered_html capability has been disabled. Any site that grants Administrator privileges to a user can be used to inject malicious payloads into the custom CSS field.", "description_and_impact": "The AMP Enhancer plugin allows stored cross\u2011site scripting through the AMP Custom CSS setting. Insufficient input sanitization and output escaping enable an authenticated attacker with Administrator\u2011level access or higher to inject arbitrary JavaScript that will be executed whenever a page containing the custom CSS is viewed by a user. This flaw is a classic input\u2011validation weakness classified as CWE\u201179.", "risk_and_exploitability": "The CVSS score of 4.4 indicates moderate severity, while the EPSS score of less than 1\u202f% reflects a very low probability of active exploitation at present. The vulnerability is not listed in the CISA KEV catalog. Exploitation requires authenticated access with Administrator or higher privileges and the ability to modify the AMP Custom CSS setting; once injected, the script will execute for all visitors to the affected pages."}}}}, "created": "2026-02-16T12:03:19.728865+00:00", "updated": "2026-04-16T01:00:19.949794+00:00", "vendors": ["ampenhancer", "ampenhancer$PRODUCT$amp_enhancer_\u2013_compatibility_layer_for_official_amp_plugin", "wordpress", "wordpress$PRODUCT$wordpress"]}