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CVE-2015-10138

42
FAUCET Score

CVE-2015-10138 is a critical arbitrary file upload vulnerability in the Work The Flow File Upload plugin for WordPress, affecting versions up to and including 2.5.2. The flaw stems from a lack of file type validation in the plugin's server and test files, allowing unauthenticated attackers to upload arbitrary files. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and potential for complete compromise including remote code execution. While not listed in CISA's KEV catalog, exploit modules are publicly available, including a Metasploit module, and it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5.2CPE matchmatch criteria
cpe:2.3:a:lynton_reed:work_the_flow_file_upload:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.43%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: Wordpress Work The Flow Upload Vulnerability · Mar 14, 2015
This CVE's current EPSS score of 0.0243 is in the 72nd percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/131294
Exploit
packetstormsecurity.com / files/131512
Exploit
plugins.trac.wordpress.org / changeset
Patch
plugins.trac.wordpress.org / changeset
Patch
wpscan.com / vulnerability/a49a81a9-3d4b-4c8d-b719-fc513aceecc6
Third Party Advisory
acunetix.com / vulnerabilities/web/wordpress-plugin-work-the-flow-file-upload-arbitrary-file-upload-2-5-2
Third Party Advisory
homelab.it / index.php/2015/04/04/wordpress-work-the-flow-file-upload-vulnerability
ExploitThird Party Advisory
rapid7.com / db/modules/exploit/unix/webapp/wp_worktheflow_upload
Third Party Advisory
wordfence.com / threat-intel/vulnerabilities/id/eb271cc8-01ec-45eb-9d6f-efc55c7c3923
Third Party Advisory