{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-1256 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-1256 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-1256 is a medium-severity cross-site scripting vulnerability in ysinnovations YS LeadGen – Popup Builder, Popup Maker \u0026 Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins \u0026 Subscribers, published on 19 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-1256 and fix it if it is affected.\n\nWhat it is: CVE-2026-1256 is a medium-severity cross-site scripting vulnerability in ysinnovations YS LeadGen – Popup Builder, Popup Maker \u0026 Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins \u0026 Subscribers, published on 19 Sep 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-2026-1256 in the wild and no public exploit code.\n\nAffected product: ysinnovations YS LeadGen – Popup Builder, Popup Maker \u0026 Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins \u0026 Subscribers. 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-2026-1256/ (Markdown: https://insights.sbomify.com/CVE-2026-1256/index.md)","id":"CVE-2026-1256","markdown":"https://insights.sbomify.com/CVE-2026-1256/index.md","name":"CVE-2026-1256","record":{"aliases":["GHSA-h43h-55xh-wjgc"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["code_execution","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"WordPress plugin","requires_auth":"low_privilege","summary":"Authenticated subscribers can inject malicious JavaScript into popups via missing authorization checks, leading to stored XSS attacks against site visitors.","user_interaction":"not_required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Wordfence","cpe":[],"cvss":{"score":6.4,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"description":"The YS LeadGen plugin for WordPress is vulnerable to authorization bypass and Stored Cross-Site Scripting via multiple AJAX endpoints in all versions up to, and including, 2.1.4 due to missing capability checks on popup management actions. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create arbitrary popups and inject malicious JavaScript that executes when the popup is displayed, leading to Stored XSS.","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":"Cross-site scripting in YS LeadGen – Popup Builder, Popup Maker \u0026 Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins \u0026 Subscribers","id":"CVE-2026-1256","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"xss","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"Administrative Shortcodes \u003c= 0.3.4 - Authenticated (Contributor+) Local File Inclusion via 'slug' Shortcode Attribute","id":"CVE-2026-1257"},"packages":[],"prev":{"headline":"Information disclosure in YS LeadGen – Popup Builder, Popup Maker \u0026 Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins \u0026 Subscribers","id":"CVE-2026-1255"},"products":["YS LeadGen – Popup Builder, Popup Maker \u0026 Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins \u0026 Subscribers"],"published":"2026-09-19","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":"partial"},"state":"PUBLISHED","updated":"2026-09-19","vendors":["ysinnovations"]},"summary":"Authenticated subscribers can inject malicious JavaScript into popups via missing authorization checks, leading to stored XSS attacks against site visitors.","url":"https://insights.sbomify.com/CVE-2026-1256/"}