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CVE Record

CVE-2018-7482: The K2 component 2.8.0 for Joomla!

The K2 component 2.8.0 for Joomla! has Incorrect Access Control with directory traversal, allowing an attacker to download arbitrary files, as demonstrated by a view=media&task=connector&cmd=file&target=l1_../configuration.php&download=1 request. The specific pathname ../configuration.php should be base64 encoded for a valid attack. NOTE: the vendor disputes this issue because only files under the media-manager path can be downloaded, and the documentation indicates that sensitive information does not belong there. Nonetheless, 2.8.1 has additional blocking of .php downloads

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-7482 concerns Joomla’s K2 component version 2.8.0. The report claims an access-control flaw could allow file downloads through directory traversal. The vendor disputes the impact, saying downloads are limited to the media-manager path and sensitive files should not be there. K2 2.8.1 added extra blocking for PHP file downloads.

Executive priority

Treat as a targeted web-application exposure, not a confirmed widespread emergency. Prioritize internet-facing Joomla sites using K2 2.8.0 and verify whether sensitive files could be reachable through media paths.

Technical view

The CVE describes incorrect access control with directory traversal in K2 2.8.0 for Joomla, demonstrated against the media connector download function. The record notes a vendor dispute over scope and impact. A public Exploit-DB reference exists, but the provided sources do not establish active exploitation. No CVSS score or CWE is supplied.

Likely exposure

Exposure is most likely on Joomla sites running K2 component 2.8.0, especially if media-manager-accessible locations contain files that should not be downloadable.

Exploitation context

A public exploit reference exists, but active exploitation is not supported by the provided sources and the CVE is not in KEV. Impact depends heavily on file placement and K2/Joomla configuration.

Researcher notes

The key uncertainty is impact: the CVE claims arbitrary file download, while the vendor disputes traversal beyond media-manager scope. The 2.8.1 PHP blocking change is relevant but not a complete impact admission. Avoid assuming broader file-system read without independent validation.

Mitigation direction

  • Identify Joomla sites using K2 component version 2.8.0.
  • Review vendor guidance and the K2 2.8.1 change notes.
  • Upgrade from K2 2.8.0 if vendor guidance supports it.
  • Remove sensitive files from media-manager-accessible paths.
  • Restrict administrative and media management access where feasible.

Validation and detection

  • Inventory Joomla extensions and confirm installed K2 versions.
  • Check whether K2 2.8.0 is present on public sites.
  • Review media-manager paths for sensitive or executable files.
  • Confirm whether PHP download blocking is present after update.
  • Monitor web logs for unusual K2 media connector download requests.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2018-7482 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.