{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47931 exists.","fix":"No fix has been published for CVE-2021-47931 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-47931 is a medium-severity cross-site scripting vulnerability in Exponentcms Exponent CMS, published on 10 May 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-2021-47931 and fix it if it is affected.\n\nWhat it is: CVE-2021-47931 is a medium-severity cross-site scripting vulnerability in Exponentcms Exponent CMS, published on 10 May 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-2021-47931 exists.\n\nAffected product: Exponentcms Exponent CMS. 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-2021-47931/ (Markdown: https://insights.sbomify.com/CVE-2021-47931/index.md)","id":"CVE-2021-47931","markdown":"https://insights.sbomify.com/CVE-2021-47931/index.md","name":"CVE-2021-47931","record":{"aliases":["GHSA-6jxm-mv8c-gh34"],"analysis":{"component_type":"web_application","fix_type":"patch","impacts":["code_execution","data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"Exponent CMS","requires_auth":"low_privilege","summary":"Authenticated attackers can inject malicious scripts via text editing parameters in Exponent CMS, leading to arbitrary JavaScript execution and potential data exposure.","user_interaction":"required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","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:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"description":"Exponent CMS 2.6 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the Title and Text Block parameters in the text editing endpoint. Attackers can inject iframe payloads with embedded SVG onload events to execute arbitrary JavaScript. The application also exposes database credentials in responses and lacks brute-force protection on authentication endpoints.","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":"Exponent CMS 2.6 Multiple Vulnerabilities Stored XSS Authentication","id":"CVE-2021-47931","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"xss","year":"2021"},"n_packages":0,"n_references":3,"next":{"headline":"WordPress TheCartPress 1.5.3.6 Privilege Escalation Unauthenticated","id":"CVE-2021-47932"},"packages":[],"prev":{"headline":"Balbooa Joomla Forms Builder 2.0.6 SQL Injection Unauthenticated","id":"CVE-2021-47930"},"products":["Exponent CMS"],"published":"2026-05-10","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":"2026-05-26","vendors":["Exponentcms"]},"summary":"Authenticated attackers can inject malicious scripts via text editing parameters in Exponent CMS, leading to arbitrary JavaScript execution and potential data exposure.","url":"https://insights.sbomify.com/CVE-2021-47931/"}