# MaxSite CMS.

Every CVE that names MaxSite CMS among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [MaxSite CMS through 109.6 PHP Object Injection via ci_session](https://agentprime.io/advisories/CVE-2026-87930.md)
  `CVE-2026-87930` · CVE record: MaxSite MaxSite CMS · CVSS 9.2 Critical · Critical (CVSS 9+) · Not analysed yet · Published 9 Sept 2026 · Tags: Insecure deserialization
- [MaxSite CMS through 109.6 Authentication Bypass via Hardcoded Encryption Key](https://agentprime.io/advisories/CVE-2026-87929.md)
  `CVE-2026-87929` · CVE record: MaxSite MaxSite CMS · CVSS 9.3 Critical · Critical (CVSS 9+) · Not analysed yet · Published 9 Sept 2026 · Tags: Hard-coded credentials
- [MaxSite CMS 0.94 through 109.6 HTML Upload XSS via admin_page](https://agentprime.io/advisories/CVE-2026-87928.md)
  `CVE-2026-87928` · CVE record: MaxSite MaxSite CMS · CVSS 5.1 Medium · Not analysed yet · Published 9 Sept 2026 · Tags: Unrestricted file upload
- [MaxSite CMS through 109.6 Local File Inclusion via ajax dispatcher](https://agentprime.io/advisories/CVE-2026-87927.md)
  `CVE-2026-87927` · CVE record: MaxSite MaxSite CMS · CVSS 8.8 High · Not analysed yet · Published 9 Sept 2026 · Tags: File inclusion
- [MaxSite CMS Unauthenticated PHP Object Injection via maxsite_comuser Cookie](https://agentprime.io/advisories/CVE-2026-70554.md)
  `CVE-2026-70554` · CVE record: MaxSite MaxSite CMS · CVSS 9.3 Critical · Critical (CVSS 9+) · Not analysed yet · Published 4 Aug 2026 · Tags: Insecure deserialization
- [MaxSite CMS Unauthenticated RCE via Install Endpoint](https://agentprime.io/advisories/CVE-2026-70553.md)
  `CVE-2026-70553` · CVE record: MaxSite MaxSite CMS · CVSS 9.3 Critical · Critical (CVSS 9+) · Not analysed yet · Published 4 Aug 2026 · Tags: Code injection
- [MaxSite CMS 109.5 Unauthenticated AJAX Dispatcher Bypass via ajax.php](https://agentprime.io/advisories/CVE-2026-70552.md)
  `CVE-2026-70552` · CVE record: MaxSite MaxSite CMS · CVSS 9.3 Critical · Critical (CVSS 9+) · Not analysed yet · Published 4 Aug 2026 · Tags: Authentication bypass
- [MaxSite CMS ushki Plugin cross site scripting](https://agentprime.io/advisories/CVE-2026-7016.md)
  `CVE-2026-7016` · CVE record: MaxSite CMS · CVSS 4.8 Medium · Not analysed yet · Published 26 Apr 2026 · Tags: Cross-site scripting (XSS), Code injection
- [MaxSite CMS Guestbook Plugin cross site scripting](https://agentprime.io/advisories/CVE-2026-7015.md)
  `CVE-2026-7015` · CVE record: MaxSite CMS · CVSS 4.8 Medium · Not analysed yet · Published 26 Apr 2026 · Tags: Cross-site scripting (XSS), Code injection
- [MaxSite CMS down_count Plugin cross site scripting](https://agentprime.io/advisories/CVE-2026-7014.md)
  `CVE-2026-7014` · CVE record: MaxSite CMS · CVSS 4.8 Medium · Not analysed yet · Published 26 Apr 2026 · Tags: Cross-site scripting (XSS), Code injection
- [MaxSite CMS mail_send Plugin cross site scripting](https://agentprime.io/advisories/CVE-2026-7013.md)
  `CVE-2026-7013` · CVE record: MaxSite CMS · CVSS 4.8 Medium · Not analysed yet · Published 26 Apr 2026 · Tags: Cross-site scripting (XSS), Code injection
- [MaxSite CMS Redirect Plugin cross site scripting](https://agentprime.io/advisories/CVE-2026-7012.md)
  `CVE-2026-7012` · CVE record: MaxSite CMS · CVSS 4.8 Medium · Not analysed yet · Published 26 Apr 2026 · Tags: Cross-site scripting (XSS), Code injection
- [MaxSite CMS Antispam Plugin plugin_antispam cross site scripting](https://agentprime.io/advisories/CVE-2026-7011.md)
  `CVE-2026-7011` · CVE record: MaxSite CMS · CVSS 4.8 Medium · Not analysed yet · Published 26 Apr 2026 · Tags: Cross-site scripting (XSS), Code injection
- [MaxSite CMS MarkItUp Preview AJAX Endpoint preview-ajax.php eval code injection](https://agentprime.io/advisories/CVE-2026-3395.md)
  `CVE-2026-3395` · CVE record: MaxSite CMS · CVSS 6.9 Medium · Not analysed yet · Published 1 Mar 2026 · Tags: Other injection, Code injection
- [MaxSite CMS save-file-ajax.php unrestricted upload](https://agentprime.io/advisories/CVE-2025-12347.md)
  `CVE-2025-12347` · CVE record: MaxSite CMS · CVSS 5.3 Medium · Not analysed yet · Published 28 Oct 2025 · Tags: Broken access control, Unrestricted file upload
- [MaxSite CMS HTTP Header uploads-require-maxsite.php unrestricted upload](https://agentprime.io/advisories/CVE-2025-12346.md)
  `CVE-2025-12346` · CVE record: MaxSite CMS · CVSS 5.3 Medium · Not analysed yet · Published 28 Oct 2025 · Tags: Broken access control, Unrestricted file upload

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=maxsite-cms>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/maxsite-cms/>. Everything for agents: <https://agentprime.io/llms.txt>.