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CVE Record

CVE-2018-19433: ShowDoc 2.4.1 has XSS via the lang parameter because install/database.php mishandles the $cur_lang value.

ShowDoc 2.4.1 has XSS via the lang parameter because install/database.php mishandles the $cur_lang value.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

ShowDoc 2.4.1 has a cross-site scripting issue in its installation database page. If that installer page is reachable, a crafted lang parameter could cause browser-side script execution. The available sources do not provide a severity score, confirmed patch version, or evidence of active exploitation.

Executive priority

Address internet-exposed ShowDoc 2.4.1 instances with reachable installer pages first. Business urgency is moderate because XSS can support session theft or user impersonation, but the provided evidence lacks confirmed exploitation or severity scoring.

Technical view

CVE-2018-19433 is an XSS flaw in ShowDoc 2.4.1. The issue is tied to install/database.php mishandling the $cur_lang value from the lang parameter. The CVE record does not list CVSS, CWE, CPEs, or affected versions beyond the stated ShowDoc 2.4.1 reference.

Likely exposure

Exposure is most likely where ShowDoc 2.4.1 is deployed and install/database.php remains reachable by untrusted users. Evidence in the bundle does not identify other affected versions or deployment conditions.

Exploitation context

The source bundle describes the XSS vector but does not cite public exploitation, weaponized tooling, or CISA KEV inclusion. Treat active exploitation as unconfirmed based on the provided evidence.

Researcher notes

The record is sparse: no CVSS, CWE, CPEs, patch reference, or KEV signal are provided. Analysis should stay bounded to ShowDoc 2.4.1 and the install/database.php lang parameter unless vendor evidence expands scope.

Mitigation direction

  • Review ShowDoc upstream guidance and release notes for a fixed version.
  • Restrict public access to installation files if they are not required.
  • Prioritize removing exposed installer paths from internet-facing deployments.
  • Apply vendor-supported updates when an applicable fix is confirmed.

Validation and detection

  • Inventory ShowDoc deployments and confirm whether version 2.4.1 is present.
  • Check whether install/database.php is reachable from untrusted networks.
  • Review web logs for unusual requests to install/database.php using lang.
  • Track the upstream GitHub issue for fix or affected-version clarification.
Prepared
Confidence
medium
Sources
3

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

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-19433 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
2Source 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.