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CVE-2012-5357· NVD / CVE Program· CNA mitre

Ektron Content Management System (CMS) before 8.02 SP5 uses the XslCompiledTransform class with enablescript set to true, which allows remot

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.

CriticalCVSS 9.8 · v3.0—Weaponized No fix recorded
Published
Oct 30, 2017
Updated
Jun 16, 2026
EPSS
67.8% · 99th percentile
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Report tools

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Action score

59

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
20 / 30 · 67.8%

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
ektronektron content management system

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ektron ektron content management systemup to 8.02 inclusive

Same product

ektron: all records

Other highest-scoring records for the same primary product.

  • CVE-2012-5358The XSLTCompiledTransform function in Ektron Content Management System (CMS) before 8.02 SP5 configures the XSL with enableDocumentFunction
    40Plan
  • CVE-2015-0931Ektron Content Management System (CMS) 8.5 and 8.7 before 8.7sp2 and 9.0 before sp1, when the Saxon XSLT parser is used, allows remote attac
    28Monitor
  • CVE-2015-0923The ContentBlockEx method in Workarea/ServerControlWS.asmx in Ektron Content Management System (CMS) 8.5 and 8.7 before 8.7sp2 and 9.0 befor
    27Monitor
  • CVE-2016-6133Cross-site scripting (XSS) vulnerability in Ektron Content Management System before 9.1.0.184SP3(9.1.0.184.3.127) allows remote attackers to
    24Monitor
  • CVE-2016-6201Cross-site scripting (XSS) vulnerability in Ektron Content Management System (CMS) before 9.1.0.184 SP3 (9.1.0.184.3.127) allows remote atta
    24Monitor
  • CVE-2015-3624Cross-site request forgery (CSRF) vulnerability in Test/WorkArea/DmsMenu/menuActions/MenuActions.aspx in Ektron Content Management System (C
    24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2012-12-05
Metasploit moduleexploit/windows/http/ektron_xslt_execEktron 8.02 XSLT Transform Remote Code Executionexploit2012-10-16

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-1840 d
  2. First PoC-1790 d
  3. Published
  4. TodayOct 7, 2026+3264 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-19 · Data Processing Errors

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records