CVE-2015-10138 | Work The Flow File Upload <= 2.5.2 - Arbitrary File Upload

Exp

The Work The Flow File Upload plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the jQuery-File-Upload-9.5.0 server and test files in versions up to, and including, 2.5.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Published: 2025-07-19 Last update: 2025-12-16 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-10138 is rated High Exploit Risk (90.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 79.25%, 99th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.96% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-10138

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-10138

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-27 77.30% 79.25% +1.96%
2 2026-05-15 67.54% 77.30% +9.75%
3 2026-05-07 — 67.54% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-10138

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]

Weakness enumeration for CVE-2015-10138

Affected software / configurations for CVE-2015-10138

Vendor Product Version Raw CPE
lynton_reed work_the_flow_file_upload <= 2.5.2 cpe:2.3:a:lynton_reed:work_the_flow_file_upload:*:*:*:*:*:wordpress:*:*

References for CVE-2015-10138

URL Tags
https://packetstormsecurity.com/files/131294/ Exploit
https://packetstormsecurity.com/files/131512/ Exploit
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=1127456%40work-the-flow-file-upload&new=1127456%40work-the-flow-file-upload&sfp_email=&sfph_mail= Patch
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=1127457%40work-the-flow-file-upload&new=1127457%40work-the-flow-file-upload&sfp_email=&sfph_mail= Patch
https://wpscan.com/vulnerability/a49a81a9-3d4b-4c8d-b719-fc513aceecc6 Third Party Advisory
https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-work-the-flow-file-upload-arbitrary-file-upload-2-5-2/ Third Party Advisory
https://www.homelab.it/index.php/2015/04/04/wordpress-work-the-flow-file-upload-vulnerability/ Exploit Third Party Advisory
https://www.rapid7.com/db/modules/exploit/unix/webapp/wp_worktheflow_upload/ Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/eb271cc8-01ec-45eb-9d6f-efc55c7c3923?source=cve Third Party Advisory
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