{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4494 exists.","fix":"No fix has been published for CVE-2026-4494 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-4494 is a medium-severity cross-site scripting vulnerability in atjiu pybbs, published on 20 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-4494 and fix it if it is affected.\n\nWhat it is: CVE-2026-4494 is a medium-severity cross-site scripting vulnerability in atjiu pybbs, published on 20 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4494 exists.\n\nAffected product: atjiu pybbs. 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-2026-4494/ (Markdown: https://insights.sbomify.com/CVE-2026-4494/index.md)","id":"CVE-2026-4494","markdown":"https://insights.sbomify.com/CVE-2026-4494/index.md","name":"CVE-2026-4494","record":{"aliases":["GHSA-9wm2-388x-gpfx"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["code_execution","account_takeover"],"network_reachable":"yes","non_default_config":false,"product_category":"pybbs forum software","requires_auth":"low_privilege","summary":"Remote attackers can inject malicious scripts via the topic creation API in pybbs, potentially leading to session hijacking or code execution.","user_interaction":"required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulDB","cpe":[],"cvss":{"score":5.1,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"cwes":[{"id":"CWE-94","name":"Improper Control of Generation of Code"},{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"description":"A vulnerability was identified in atjiu pybbs 6.0.0. This affects the function create of the file src/main/java/co/yiiu/pybbs/controller/api/TopicApiController.java. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":null,"headline":"atjiu pybbs TopicApiController.java create cross site scripting","id":"CVE-2026-4494","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"xss","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"atjiu pybbs CommentApiController.java create cross site scripting","id":"CVE-2026-4495"},"packages":[],"prev":{"headline":"Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflow","id":"CVE-2026-4493"},"products":["pybbs"],"published":"2026-03-20","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":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-03-24","vendors":["atjiu"]},"summary":"Remote attackers can inject malicious scripts via the topic creation API in pybbs, potentially leading to session hijacking or code execution.","url":"https://insights.sbomify.com/CVE-2026-4494/"}