ET WEB_SPECIFIC_APPS phpGACL acl_admin acl_id Parameter Reflected Cross-Site Scripting (CVE-2020-13564)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS phpGACL acl_admin acl_id Parameter Reflected Cross-Site Scripting (CVE-2020-13564)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"admin/acl_admin.php|3f|"; fast_pattern;
    content:"acl_id|3d|"; distance:0;
    pcre:"/^.+(script|onmouse[a-z]+|onkey[a-z]+|onerror|onload|onunload|ondragdrop|onblur|onfocus|onclick|ondblclick|onsubmit|onreset|onselect|onchange|style\x3d)/Ri";
    reference:url,talosintelligence.com/vulnerability_reports/TALOS-2020-1177;
    reference:cve,2020-13564;
    classtype:web-application-attack;
    sid:2059301; rev:1;
    metadata:affected_product phpGACL, attack_target Web_Server, tls_state TLSDecrypt, created_at 2025_01_17, cve CVE_2020_13564, deployment Perimeter, deployment Internal, deployment Datacenter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_01_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)