CVE-2012-5357
Ektron Content Management System (CMS) before 8.02 SP5 uses the XslCompiledTransform class with enablescript set to true, which allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges via crafted XSL data.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 67.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Ektron Content Management System (CMS) before 8.02 SP5 uses the XslCompiledTransform class with enablescript set to true, which allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges via crafted XSL data.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 67.78% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 5 December 2012
- CISA KEV
- Not listed
- Weakness
- CWE-19
- Affected
- ektron/ektron content management system
- Source
- cve@mitre.org
EPSS moved from 63.1% on 21 September 2026 to 67.8% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://documentation.ektron.com/current/ReleaseNotes/Release8/8.02SP5.htmIssue Tracking, Vendor Advisory
- https://technet.microsoft.com/library/security/msvr12-016Issue Tracking, Release Notes, Third Party Advisory
- https://webstersprodigy.net/2012/10/25/cve-2012-5357cve-1012-5358-cool-ektron-xslt-rce-bugs/Exploit, Issue Tracking, Third Party Advisory
- https://www.rapid7.com/db/modules/exploit/windows/http/ektron_xslt_execExploit, Issue Tracking, Third Party Advisory
- http://documentation.ektron.com/current/ReleaseNotes/Release8/8.02SP5.htmIssue Tracking, Vendor Advisory
- https://technet.microsoft.com/library/security/msvr12-016Issue Tracking, Release Notes, Third Party Advisory
- https://webstersprodigy.net/2012/10/25/cve-2012-5357cve-1012-5358-cool-ektron-xslt-rce-bugs/Exploit, Issue Tracking, Third Party Advisory
- https://www.rapid7.com/db/modules/exploit/windows/http/ektron_xslt_execExploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.