{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-18983 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-18983 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-18983 is a high-severity vulnerability in onedesigns One User Avatar | User Profile Picture, published on 28 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-18983 and fix it if it is affected.\n\nWhat it is: CVE-2026-18983 is a high-severity vulnerability in onedesigns One User Avatar | User Profile Picture, published on 28 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-18983 in the wild and no public exploit code.\n\nAffected product: onedesigns One User Avatar | User Profile Picture. 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-2026-18983/ (Markdown: https://insights.sbomify.com/CVE-2026-18983/index.md)","id":"CVE-2026-18983","markdown":"https://insights.sbomify.com/CVE-2026-18983/index.md","name":"CVE-2026-18983","record":{"aliases":["GHSA-p2qh-mgvf-5q7f"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["code_execution","security_bypass"],"network_reachable":"yes","non_default_config":true,"product_category":"WordPress plugin","requires_auth":"low_privilege","summary":"Authenticated attackers can upload malicious files to achieve remote code execution if admins enable subscriber avatar uploads.","user_interaction":"not_required","vuln_class":"file_upload"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Wordfence","cpe":[],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-434","name":"Unrestricted Upload of File with Dangerous Type"}],"description":"The One User Avatar | User Profile Picture plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.5.4 via the wpua_action_process_option_update function. This is due to insufficient file type validation in wp_handle_upload() called without a MIME allow-list, with post-write validation relying on the attacker-controlled client-supplied Content-Type header rather than a server-derived type, and no cleanup of files that fail the check. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload files that may be executable, which makes remote code execution possible. in order to exploit this vulnerability an admin has to give subscribers permission to upload avatars. While PHP files and svg files are rejected, dxfp files are accepted.","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":"File upload in One User Avatar | User Profile Picture","id":"CVE-2026-18983","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"file_upload","year":"2026"},"n_packages":0,"n_references":6,"next":{"headline":"Edit in-place field - Moderately critical - Access bypass - SA-CONTRIB-2026-093","id":"CVE-2026-18985"},"packages":[],"prev":{"headline":"Odh-training-operator-rhel9: rhoai fork aggregates training job create onto native edit/admin clusterroles","id":"CVE-2026-18982"},"products":["One User Avatar | User Profile Picture"],"published":"2026-08-28","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":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-08-28","vendors":["onedesigns"]},"summary":"Authenticated attackers can upload malicious files to achieve remote code execution if admins enable subscriber avatar uploads.","url":"https://insights.sbomify.com/CVE-2026-18983/"}