PatchSiren cyber security CVE debrief
CVE-2012-20004 Carles Reverter CVE debrief
A reflected cross-site scripting vulnerability exists in the K-news WordPress plugin before version 1.1.1. The vulnerability allows unauthenticated attackers to inject malicious script by supplying unsanitized input through the 'ff' parameter in the fontpicker index.php file. This type of vulnerability can lead to session cookie theft or other malicious activities. Defenders should assess exposure and prioritize verification and remediation efforts to prevent exploitation. The vulnerability has a CVSS score of 5.1 and is classified as MEDIUM severity. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.
- Vendor
- Carles Reverter
- Product
- K-news
- CVSS
- MEDIUM 5.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-20
- Original CVE updated
- 2026-10-23
- Advisory published
- 2026-10-20
- Advisory updated
- 2026-10-23
Who should care
Defenders responsible for WordPress installations with the K-news plugin should assess exposure and prioritize verification and remediation efforts. This includes verifying the version of the K-news plugin, applying updates to version 1.1.1 or later, implementing input validation and sanitization, and monitoring for suspicious activity. Additionally, defenders should review compensating controls for exposed systems, check relevant monitoring and logs, and
Why it matters
The K-news WordPress plugin vulnerability allows unauthenticated attackers to inject malicious script, potentially leading to session cookie theft or other malicious activities. Defenders should prioritize verification and remediation efforts to prevent exploitation.
- Defenders should verify the version of the K-news plugin and apply updates to prevent exploitation
- Implementing input validation and sanitization can prevent malicious script injection
- Monitoring for suspicious activity can help detect potential exploitation attempts
Technical summary
The K-news WordPress plugin before version 1.1.1 contains a reflected cross-site scripting vulnerability. The vulnerability allows unauthenticated attackers to inject malicious script by supplying unsanitized input through the 'ff' parameter in the fontpicker index.php file. The vulnerability has a CVSS score of 5.1 and is classified as MEDIUM severity. This type of vulnerability can lead to session cookie theft or other malicious activities. Defenders should prioritize verifying the version of the K-news plugin and applying the necessary updates to prevent exploitation. Implementing input validation and sanitization can prevent malicious script injection. Monitoring for suspicious activity can help detect and
Defensive priority
Defenders should prioritize verifying the version of the K-news plugin and applying the necessary updates to prevent exploitation.
Recommended defensive actions
- Verify the version of the K-news plugin and apply updates to version 1.1.1 or later
- Implement input validation and sanitization for the 'ff' parameter in the fontpicker index.php file
- Monitor for suspicious activity and implement additional security measures to prevent exploitation
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
Evidence notes
The vulnerability was first observed by the Shadowserver Foundation on 2023-10-19. The CVE record and source item provide details about the vulnerability, including its description, CVSS score, and affected versions.
Sources and references
Verified primary and authoritative sources
-
CVE-2012-20004 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2012-20004
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2012-20004 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2012-20004
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
K-news WordPress Plugin < 1.1.1 Reflected XSS via fontpicker index.php ff Parameter
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2012/20xxx/CVE-2012-20004.json
cve_program_cvelist_v5
-
Source reference
Unverified legacy reference
URL: https://www.exploit-db.com/exploits/37484
Supplemental source - exploit
-
Source reference
Unverified legacy reference
URL: https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-knews-multilingual-newsletters-ff-parameter-cross-site-scripting-1-1-0
Supplemental source - third-party-advisory
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Source reference
Unverified legacy reference
URL: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wp-knews-xss.yaml
Supplemental source - technical-description
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Source reference
Unverified legacy reference
URL: https://wordpress.org/plugins/knews/
Supplemental source - product
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Source reference
Unverified legacy reference
URL: https://www.vulncheck.com/advisories/k-news-wordpress-plugin-1.1.1-reflected-xss-via-fontpicker-index-php-ff-parameter
Supplemental source - third-party-advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.