ET WEB_SPECIFIC_APPS TYPO3 CMS ceselector Extension Object Injection via Insecure Deserialization (CVE-2026-46725)

SID: 2069468Rev: 14 views
Sourceet/open
CreatedMay 28, 2026
UpdatedMay 28, 2026
Classificationweb-application-attack
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS TYPO3 CMS ceselector Extension Object Injection via Insecure Deserialization (CVE-2026-46725)"; flow:established,to_server; http.cookie; content:"T3_ceselector_"; pcre:"/^\d+\x3d[a-zO]%3[aA](?:%2[bB])?\d+%3[aA](?:[a-z]?%3[aA]\d+(?:%3[aA])?(?:%7[bB])?|%22.+%22|%3[bB]|%7[dD])+/R"; reference:url,github.com/projectdiscovery/nuclei-templates/blob/f53616baf9fa1bf3faccb24f49d508c16b0d0c87/http/cves/2026/CVE-2026-46725.yaml; reference:cve,2026-46725; classtype:web-application-attack; sid:2069468; rev:1; metadata:attack_target Server, tls_state TLSDecrypt, created_at 2026_05_28, cve CVE_2026_46725, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2026_05_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)

References

urlgithub.com/projectdiscovery/nuclei-templates/blob/f53616baf9fa1bf3faccb24f49d508c16b0d0c87/http/cves/2026/CVE-2026-46725.yaml
cve2026-46725

Metadata

attack targetServer
tls stateTLSDecrypt
created at2026_05_28
deploymentSSLDecrypt
confidenceHigh
signature severityMajor
tagExploit
updated at2026_05_28
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application

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