{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-2355 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-2355 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-2355 is a medium-severity cross-site scripting vulnerability in joedolson My Calendar – Accessible Event Manager, published on 4 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-2355 and fix it if it is affected.\n\nWhat it is: CVE-2026-2355 is a medium-severity cross-site scripting vulnerability in joedolson My Calendar – Accessible Event Manager, published on 4 Mar 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-2026-2355 in the wild and no public exploit code.\n\nAffected product: joedolson My Calendar – Accessible Event Manager. 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-2026-2355/ (Markdown: https://insights.sbomify.com/CVE-2026-2355/index.md)","id":"CVE-2026-2355","markdown":"https://insights.sbomify.com/CVE-2026-2355/index.md","name":"CVE-2026-2355","record":{"aliases":["GHSA-2w6m-q82q-c77g"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"WordPress plugin","requires_auth":"low_privilege","summary":"Authenticated attackers can inject arbitrary scripts via shortcode attributes, leading to stored XSS execution on victim pages.","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 My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `template` attribute of the `[my_calendar_upcoming]` shortcode in all versions up to, and including, 3.7.3. This is due to the use of `stripcslashes()` on user-supplied shortcode attribute values in the `mc_draw_template()` function, which decodes C-style hex escape sequences (e.g., `\\x3c` to `\u003c`) at render time, bypassing WordPress's `wp_kses_post()` content sanitization that runs at save time. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","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 My Calendar – Accessible Event Manager","id":"CVE-2026-2355","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"xss","year":"2026"},"n_packages":0,"n_references":6,"next":{"headline":"User Registration \u0026 Membership \u003c= 5.1.2 - Insecure Direct Object Reference to Unauthenticated Limited User Deletion","id":"CVE-2026-2356"},"packages":[],"prev":{"headline":"Swiss Toolkit For WP \u003c= 1.4.6 - Authenticated (Author+) Arbitrary File Upload via upload_extension_files()","id":"CVE-2026-2354"},"products":["My Calendar – Accessible Event Manager"],"published":"2026-03-04","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":"2026-04-08","vendors":["joedolson"]},"summary":"Authenticated attackers can inject arbitrary scripts via shortcode attributes, leading to stored XSS execution on victim pages.","url":"https://insights.sbomify.com/CVE-2026-2355/"}