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Stored cross-site scripting in WordPress QR Redirector plugin

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Nikki Blight QR Redirector (qr-redirector), a WordPress plugin, is affected from n/a through 2.0.5. Input is not neutralized when web pages are generated, which makes this a stored cross-site scripting flaw (CWE-79). An attacker with low privileges can store script that runs in another user's browser after that user interacts with the page.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nikki Blight QR Redirector qr-redirector allows Stored XSS.This issue affects QR Redirector: from n/a through 2.0.5.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00127 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Nikki BlightQR Redirectorup to 2.0.5—No fix listedCNA
  • QR Redirector VendorNikki Blight Affected up to 2.0.5 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for QR Redirector.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-05 Threatist record created from CVE-2026-105069
  2. 2026-10-05 Alias added: GHSA-r8fc-4v2x-cxcf

References

  • TI-2026-19785 WordPress QR Redirector plugin <= 2.0.3 - Broken Access Control vulnerability CVSS 3.1MEDIUM 4.3

Sources