A vulnerability classified as problematic has been found in rrrene html_sanitize_ex up to 1.5.2. Affected by this issue is some unknown functionality of the file lib/html_sanitize_ex/scrubber/html5.ex of the component HTML5 Scrubber. The manipulation leads to HTML injection. This vulnerability is documented as CVE-2026-66843. The attack can be... Weiterlesen
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CVE-2026-66843 | rrrene html_sanitize_ex up to 1.5.2 HTML5 Scrubber html5.ex HTML injection
A vulnerability classified as problematic has been found in rrrene html_sanitize_ex up to 1.5.2. Affected by this issue is some unknown functionality of the file lib/html_sanitize_ex/scrubber/html5.ex of the component HTML5 Scrubber. The…
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IoC Intelligence (1 Indikatoren)
CVE-2026-66843
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2026-66843 | rrrene html_sanitize_ex up to 1.5.2 HTML5 Scrubber html5.ex HTML injection
id: e25cd712-477f-456c-8889-f88039c6d7d4
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-23
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-23"
description = "YARA Signature for "
strings:
$str = "CVE-2026-66843 | rrrene html_s" ascii wide
condition:
any of them
}
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