{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53891 exists.","fix":"No fix has been published for CVE-2023-53891 yet. Limit exposure of the affected software until one is available.","what":"CVE-2023-53891 is a medium-severity cross-site scripting vulnerability in blackcat-cms Blackcat CMS, published on 15 Dec 2025. 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-2023-53891 and fix it if it is affected.\n\nWhat it is: CVE-2023-53891 is a medium-severity cross-site scripting vulnerability in blackcat-cms Blackcat CMS, published on 15 Dec 2025. 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-2023-53891 exists.\n\nAffected product: blackcat-cms Blackcat 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-2023-53891/ (Markdown: https://insights.sbomify.com/CVE-2023-53891/index.md)","id":"CVE-2023-53891","markdown":"https://insights.sbomify.com/CVE-2023-53891/index.md","name":"CVE-2023-53891","record":{"aliases":["GHSA-f5gv-p76p-jp44"],"analysis":{"component_type":"web_application","fix_type":"patch","impacts":["code_execution","account_takeover"],"network_reachable":"yes","non_default_config":false,"product_category":"Blackcat CMS","requires_auth":"low_privilege","summary":"Authenticated attackers can inject malicious scripts into page content, leading to code execution or account takeover when other users view the page.","user_interaction":"required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[{"product":"blackcat_cms","vendor":"blackcat-cms"}],"cvss":{"score":5.1,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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":"Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"Blackcat CMS 1.4 Stored Cross-Site Scripting via Page Modification","id":"CVE-2023-53891","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"xss","year":"2023"},"n_packages":0,"n_references":3,"next":{"headline":"Blackcat CMS 1.4 Remote Code Execution via Jquery Plugin Manager","id":"CVE-2023-53892"},"packages":[],"prev":{"headline":"Perch CMS 3.2 Stored Cross-Site Scripting via SVG File Upload","id":"CVE-2023-53890"},"products":["Blackcat CMS"],"published":"2025-12-15","related":[{"cvss_score":8.8,"headline":"Cross-site request forgery in n/a","id":"CVE-2020-25453","kev_date_added":null,"published":"2020-09-15"},{"cvss_score":8.8,"headline":"File upload in n/a","id":"CVE-2017-14399","kev_date_added":null,"published":"2017-09-12"},{"cvss_score":8.8,"headline":"Code injection in n/a","id":"CVE-2017-14048","kev_date_added":null,"published":"2017-08-31"},{"cvss_score":8.8,"headline":"File upload in n/a","id":"CVE-2017-14050","kev_date_added":null,"published":"2017-08-31"},{"cvss_score":8.6,"headline":"Blackcat CMS 1.4 Remote Code Execution via Jquery Plugin Manager","id":"CVE-2023-53892","kev_date_added":null,"published":"2025-12-15"},{"cvss_score":7.5,"headline":"Path traversal in n/a","id":"CVE-2015-5079","kev_date_added":null,"published":"2018-02-28"},{"cvss_score":6.5,"headline":"File upload in n/a","id":"CVE-2017-13670","kev_date_added":null,"published":"2017-08-31"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"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":"2026-04-07","vendors":["blackcat-cms"]},"summary":"Authenticated attackers can inject malicious scripts into page content, leading to code execution or account takeover when other users view the page.","url":"https://insights.sbomify.com/CVE-2023-53891/"}