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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2016.0052 A number of vulnerabilities have been identified in WordPress prior to version 4.5.2. 9 May 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WordPress Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Cross-site Scripting -- Remote with User Interaction Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade Member content until: Wednesday, June 8 2016 OVERVIEW A number of vulnerabilities have been identified in WordPress prior to version 4.5.2. [1] IMPACT The vendor has provided the following details regarding these issues: "WordPress versions 4.5.1 and earlier are affected by a SOME vulnerability through Plupload, the third-party library WordPress uses for uploading files. WordPress versions 4.2 through 4.5.1 are vulnerable to reflected XSS using specially crafted URIs through MediaElement.js, the third-party library used for media players. MediaElement.js and Plupload have also released updates fixing these issues. Both issues were analyzed and reported by Mario Heiderich, Masato Kinugawa, and Filedescriptor from Cure53. Thanks to the team for practicing responsible disclosure, and to the Plupload and MediaElement.js teams for working closely with us to coordinate and fix these issues." [1] MITIGATION The vendor recommends updating to version 4.5.2 of WordPress to correct these issues. [1] REFERENCES [1] WordPress 4.5.2 Security Release https://wordpress.org/news/2016/05/wordpress-4-5-2/ AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBVy/rzX6ZAP0PgtI9AQI0gg/9EhWhv4uFP0EH4dlQNqztivhR57dPoqN+ 7pv6tt76UBS2SY/KWm9na/pz8U9uov8hScl/Fg4MnHj9nxzAy/MX9wdGYYsfP8zv kLD80QiL1E4ZMP/0TAgpiOViNe5N8q9P2TDLtUT+4J4Bmt1dCIbAGBiEe83AhqT7 XikV8gFKtqGABRwmQTgvgA2dOdszRRBaLhxQ6s6ORgsiDPrQ0W8vjBWU/8BP/gM9 o/7fVGC4HhtgyuxWOt1GP3HB6ucDwJFs9uCHBap3O4F1szK+UcrsDRDoi7Y3KARd f1VS5YI09vyy/oDiiuiIW9871izPOp1iuOBmp38Frl/XTmLY6tiMto5vsyaSshHt mGIibwLuHJrLAAbt/O0DgL3cUHldvakxcqCraLoDlftye7yaIphTMh7ueLVpw7Yj GHkrhkLqPBsCxwfqwOtLx2ni3WwL7eCd5HjDwVCOvbCRIi/c4SDMMhfOi0rPbjOy akatFKVinhvIgitJbpNZCWe1lc9ZXnf7C3NVy8HEZNjqx+yFelLP1rMxAj3qk1Iq nUTKg1coXJRMs5o7SG/4RDSyQ1/wh4vQA4U9FEkHZ2HroD6BWfae7Ejv0SaCJupg K4clGUzNCaIhEc45h7YbxV5cKVDVnijf8yVddvN96akn83dFGMwbjqXU4hJiXVDO wmldYNNvcis= =V5C1 -----END PGP SIGNATURE-----