--- title: "CVE-2026-108587: 10Web Booster - Unrestricted File Upload" description: "10Web Booster WordPress plugin <= 2.34.10 contains an unrestricted file upload vulnerability caused by missing file type validation and leaked REST nonce, letting unauthenticated attackers upload executable files and achieve remote code execution, exploit requires obtaining a world-readable REST nonce." url: https://panop.io/threat-heartbeat/CVE-2026-108587/ --- # CVE-2026-108587 10Web Booster - Unrestricted File Upload 10Web Booster WordPress plugin <= 2.34.10 contains an unrestricted file upload vulnerability caused by missing file type validation and leaked REST nonce, letting unauthenticated attackers upload executable files and achieve remote code execution, exploit requires obtaining a world-readable REST nonce. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108587) ## Details Type Unrestricted File Upload Impact Remote Code Execution, Unrestricted File Upload CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 15 October 2026 Updated 15 October 2026 Weakness [CWE-434](https://cwe.mitre.org/data/definitions/434.html) ## Vendor fix Update to the latest version beyond 2.34.10. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-108587](https://nvd.nist.gov/vuln/detail/CVE-2026-108587) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/10web-queue/src/TenWebQueue/Traits/QueueRestart.php#L63](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/10web-queue/src/TenWebQueue/Traits/QueueRestart.php#L63) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/CompressService.php#L99](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/CompressService.php#L99) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L310](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L310) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L99](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L99) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Utils.php#L161](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.1/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Utils.php#L161) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/10web-queue/src/TenWebQueue/Traits/QueueRestart.php#L63](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/10web-queue/src/TenWebQueue/Traits/QueueRestart.php#L63) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L310](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L310) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Utils.php#L161](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Utils.php#L161) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/CompressService.php#L99](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/CompressService.php#L99) - [https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L99](https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/vendor/10web-utils/tenweb-image-optimizer/src/TenWebIO/Rest.php#L99) - [https://plugins.trac.wordpress.org/changeset/3743299/tenweb-speed-optimizer](https://plugins.trac.wordpress.org/changeset/3743299/tenweb-speed-optimizer) - [https://www.wordfence.com/threat-intel/vulnerabilities/id/adfd97cf-8f61-463d-a535-1a61e3c2e134?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/adfd97cf-8f61-463d-a535-1a61e3c2e134?source=cve) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. 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