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CVE Record

CVE-2017-18598: The Qards plugin through 2017-10-11 for WordPress has XSS via a remote document specified in the url parame...

The Qards plugin through 2017-10-11 for WordPress has XSS via a remote document specified in the url parameter to html2canvasproxy.php.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2017-18598 is an XSS issue in the Qards WordPress plugin through 2017-10-11. Affected sites may allow attacker-controlled script execution through plugin handling of a remote document URL. Public source data does not provide severity scoring, patch details, or evidence of active exploitation.

Executive priority

Treat this as a targeted WordPress plugin exposure requiring inventory and remediation verification, not an emergency based on current evidence. Urgency rises for public sites using Qards, especially where administrators authenticate through the same domain.

Technical view

The CVE describes cross-site scripting in Qards for WordPress via a remote document specified in the url parameter to html2canvasproxy.php. The source bundle does not include CVSS, CWE, CPE, fixed-version, or exploit maturity details.

Likely exposure

Exposure appears limited to WordPress sites running the Qards plugin through 2017-10-11 with the vulnerable html2canvasproxy.php reachable. The provided data does not identify active install counts, exact package metadata, or known fixed versions.

Exploitation context

The issue is described as XSS through a remote document URL parameter. The bundle marks KEV as false and provides no cited evidence of active exploitation, public exploit use, or weaponized campaigns.

Researcher notes

The record is sparse: no CVSS, CWE, CPE, fixed version, or detailed vendor advisory is included. Analysis should remain scoped to Qards through 2017-10-11 and the html2canvasproxy.php url parameter until primary vendor data confirms more.

Mitigation direction

  • Inventory WordPress sites for the Qards plugin and deployed version date.
  • Check vendor or plugin repository guidance for fixed versions or retirement status.
  • If unsupported, evaluate disabling, removing, or replacing the plugin.
  • Review site-level XSS defenses such as CSP as compensating controls.
  • Prioritize remediation on public WordPress sites and administrator-facing workflows.

Validation and detection

  • Confirm whether Qards is installed on each WordPress instance.
  • Verify whether html2canvasproxy.php is present and reachable.
  • Check plugin version or release date against through 2017-10-11 exposure.
  • Review web logs for unusual requests to html2canvasproxy.php.
  • Document uncertainty where version or patch status cannot be confirmed.
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

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ATT&CK lookup starting points

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CVE-2017-18598 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.