plupload vulnerabilities and fixes

Recent CVEs affecting plupload, with upgrade or downgrade steps. 3 tracked.

plupload has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2021-12-03. Highest priority: CVE-2016-4566 (score 45/100).

• CVE-2021-23562 MEDIUM 4.2 UPGRADE This affects the package plupload before 2.3.9
• CVE-2016-4566 MEDIUM 6.1 UPGRADE UPGRADE Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress
• CVE-2013-0237 MEDIUM 4.3 UPGRADE UPGRADE Cross-site scripting (XSS) vulnerability in Plupload.as in Moxiecode plupload before 1.5.5, as used in WordPre

FAQ

How do I fix plupload vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is plupload being exploited right now?

None of the tracked plupload CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which plupload CVE should I patch first?

CVE-2016-4566 currently ranks highest (45/100): Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress .

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