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TI-2012-05491 Aliases CVE-2012-20004GHSA-3699-42v3-8cc6

Reflected XSS in K-news WordPress plugin via fontpicker ff parameter

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The K-news plugin for WordPress before 1.1.1 contains a reflected cross-site scripting flaw (CWE-79) in the fontpicker index.php script, where unsanitized input in the 'ff' parameter is echoed into option tags. An unauthenticated remote attacker can craft a GET request with a malicious 'ff' value to run script in a victim's browser and steal session cookies. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19, and a public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

K-news plugin for WordPress before 1.1.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying unsanitized input through the 'ff' parameter. Attackers can craft GET requests to /wp-content/plugins/knews/wysiwyg/fontpicker/index.php with malicious 'ff' values echoed into option tags to execute script and steal session cookies. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed K-news (Carles Reverter): 1.1.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
Carles ReverterK-newsbefore 1.1.11.1.1Patch availableCNA
  • K-news VendorCarles Reverter Affected before 1.1.1 Fixed in 1.1.1 Patch available CNA

Remediation

Update K-news to version 1.1.1, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA K-news (Carles Reverter) Fixed in 1.1.1

Timeline

  1. 2026-10-20 Threatist record created from CVE-2012-20004
  2. 2026-10-21 Alias added: GHSA-3699-42v3-8cc6
  3. 2026-10-23 CISA SSVC decision points changed
  4. 2026-10-23 Priority changed: LOW → MEDIUM

References

Exploit 1

Advisory 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences