{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-15303 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-15303 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-15303 is a critical authentication bypass vulnerability in sixstorage 6Storage Rentals, published on 15 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-15303 and fix it if it is affected.\n\nWhat it is: CVE-2026-15303 is a critical authentication bypass vulnerability in sixstorage 6Storage Rentals, published on 15 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-15303 in the wild and no public exploit code.\n\nAffected product: sixstorage 6Storage Rentals. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-15303/ (Markdown: https://insights.sbomify.com/CVE-2026-15303/index.md)","id":"CVE-2026-15303","markdown":"https://insights.sbomify.com/CVE-2026-15303/index.md","name":"CVE-2026-15303","record":{"aliases":["CVE-2026-16249","GHSA-q5fr-2gmw-7f29"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["account_takeover"],"network_reachable":"yes","non_default_config":false,"product_category":"WordPress plugin","requires_auth":"none","summary":"Unauthenticated attackers can log in as any WordPress user, including administrators, by supplying their email address to a vulnerable AJAX handler.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Wordfence","cpe":[],"cvss":{"score":9.8,"severity":"critical","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"}],"description":"The 6Storage Rentals plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.27.0. This is due to the six_storage_create_wp_user() AJAX handler being registered on wp_ajax_nopriv_six_storage_create_wp_user without any nonce, capability, credential, or ownership verification, while calling wp_set_current_user() and wp_set_auth_cookie() for any WordPress user resolved by the attacker-supplied email address. This makes it possible for unauthenticated attackers to log in as any existing WordPress user, including administrators, by submitting that user's email address.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"6Storage Rentals \u003c= 2.27.0 - Unauthenticated Account Takeover via 'email' Parameter","id":"CVE-2026-15303","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"auth_bypass","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Plugin Organizer \u003c= 10.2.4 - Authenticated (Subscriber+) SQL Injection","id":"CVE-2026-15304"},"packages":[],"prev":{"headline":"ARMember \u003c= 4.0.27 - Directory Traversal via X-FILENAME","id":"CVE-2026-15302"},"products":["6Storage Rentals"],"published":"2026-08-15","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-08-17","vendors":["sixstorage"]},"summary":"Unauthenticated attackers can log in as any WordPress user, including administrators, by supplying their email address to a vulnerable AJAX handler.","url":"https://insights.sbomify.com/CVE-2026-15303/"}