{"answers":{"affected":"10 open source packages ship an affected version, including phpoffice/phpspreadsheet and phpoffice/phpexcel. It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-56366 exists.","fix":"Upgrade phpoffice/phpspreadsheet to a fixed version for your release line: 1.29.7, 2.1.6, 2.3.5 or 3.7.0.","what":"CVE-2024-56366 is a high-severity cross-site scripting vulnerability in PHPOffice PhpSpreadsheet, published on 3 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2024-56366 and fix it if it is affected.\n\nWhat it is: CVE-2024-56366 is a high-severity cross-site scripting vulnerability in PHPOffice PhpSpreadsheet, published on 3 Jan 2025. An attacker can exploit it over the internet without logging in, 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-2024-56366 exists.\n\nAffected packages and fixed versions:\n- phpoffice/phpspreadsheet (Packagist): affected all versions; fixed in 1.29.7\n- phpoffice/phpspreadsheet (Packagist): affected all versions; fixed in 1.29.7\n- phpoffice/phpspreadsheet (Packagist): affected from 2.0.0; fixed in 2.1.6\n- phpoffice/phpspreadsheet (Packagist): affected from 2.0.0; fixed in 2.1.6\n- phpoffice/phpspreadsheet (Packagist): affected from 2.2.0; fixed in 2.3.5\n- phpoffice/phpspreadsheet (Packagist): affected from 2.2.0; fixed in 2.3.5\n- phpoffice/phpspreadsheet (Packagist): affected from 3.0.0; fixed in 3.7.0\n- phpoffice/phpspreadsheet (Packagist): affected from 3.0.0; fixed in 3.7.0\n- phpoffice/phpexcel (Packagist): affected all versions up to 1.8.2; no fix listed\n- phpoffice/phpexcel (Packagist): affected all versions up to 1.8.2; no fix listed\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-2024-56366/ (Markdown: https://insights.sbomify.com/CVE-2024-56366/index.md)","id":"CVE-2024-56366","markdown":"https://insights.sbomify.com/CVE-2024-56366/index.md","name":"CVE-2024-56366","record":{"aliases":["GHSA-c6fv-7vh8-2rhr"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"PHP spreadsheet library","requires_auth":"none","summary":"Attackers can execute arbitrary scripts in user browsers via reflected XSS in the Accounting sample script of the PhpSpreadsheet library.","user_interaction":"required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"phpspreadsheet","vendor":"phpoffice"}],"cvss":{"score":8.3,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L","version":"4.0"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"description":"PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 are vulnerable to unauthorized reflected cross-site scripting in the `Accounting.php` file. Using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Accounting.php` script, an attacker can perform a cross-site scripting attack. Versions  3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.","ecosystems":["Packagist"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"PhpSpreadsheet vulnerable to unauthorized reflected XSS in the Accounting.php file","id":"CVE-2024-56366","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Packagist","product":null,"products":[],"type":"xss","year":"2024"},"n_packages":10,"n_references":2,"next":{"headline":"ring-buffer: Fix overflow in __rb_map_vma","id":"CVE-2024-56368"},"packages":[{"ecosystem":"Packagist","fixed":[],"introduced":["0"],"last_affected":["1.8.2"],"package":"phpoffice/phpexcel","purl":null,"source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":[],"introduced":["0"],"last_affected":["1.8.2"],"package":"phpoffice/phpexcel","purl":"pkg:composer/phpoffice/phpexcel","source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["1.29.7"],"introduced":["0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":null,"source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["1.29.7"],"introduced":["0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":"pkg:composer/phpoffice/phpspreadsheet","source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["2.1.6"],"introduced":["2.0.0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":null,"source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["2.1.6"],"introduced":["2.0.0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":"pkg:composer/phpoffice/phpspreadsheet","source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["2.3.5"],"introduced":["2.2.0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":null,"source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["2.3.5"],"introduced":["2.2.0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":"pkg:composer/phpoffice/phpspreadsheet","source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["3.7.0"],"introduced":["3.0.0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":null,"source":"GHSA-c6fv-7vh8-2rhr"},{"ecosystem":"Packagist","fixed":["3.7.0"],"introduced":["3.0.0"],"last_affected":[],"package":"phpoffice/phpspreadsheet","purl":"pkg:composer/phpoffice/phpspreadsheet","source":"GHSA-c6fv-7vh8-2rhr"}],"prev":{"headline":"PhpSpreadsheet vulnerable to unauthorized reflected XSS in the constructor of the Downloader class","id":"CVE-2024-56365"},"products":["PhpSpreadsheet"],"published":"2025-01-03","related":[{"cvss_score":9.2,"headline":"PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFactory::load","id":"CVE-2026-34084","kev_date_added":null,"published":"2026-05-05"},{"cvss_score":8.8,"headline":"XML External Entity Reference (XXE) in PHPSpreadsheet","id":"CVE-2024-45048","kev_date_added":null,"published":"2024-08-28"},{"cvss_score":8.8,"headline":"XXE in PHPSpreadsheet due to incomplete fix for previous encoding issue","id":"CVE-2019-12331","kev_date_added":null,"published":"2019-11-07"},{"cvss_score":8.8,"headline":"XXE in PHPSpreadsheet due to encoding issue","id":"CVE-2018-19277","kev_date_added":null,"published":"2018-11-14"},{"cvss_score":8.3,"headline":"PhpSpreadsheet vulnerable to unauthorized reflected XSS in the constructor of the Downloader class","id":"CVE-2024-56365","kev_date_added":null,"published":"2025-01-03"},{"cvss_score":8.3,"headline":"PhpSpreadsheet allows unauthorized reflected XSS in `Convert-Online.php` file","id":"CVE-2024-56408","kev_date_added":null,"published":"2025-01-03"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"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":"yes","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-01-03","vendors":["PHPOffice"]},"summary":"Attackers can execute arbitrary scripts in user browsers via reflected XSS in the Accounting sample script of the PhpSpreadsheet library.","url":"https://insights.sbomify.com/CVE-2024-56366/"}