WordPress Download Manager <= 3.1.24 — Authenticated File Upload
CVE-2021-34639Published · Updated Action summary
Affected: ≤3.1.24Update to 3.1.25 or newer
All remediation steps- Severity
- High7.5
- CVSS
- 7.5CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:HAttack complexity- High
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-434 Arbitrary File Upload
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Download Manager download-manager
- Affected≤ 3.1.24
- Patched in3.1.25
Update to 3.1.25 or newer.
You are affected if you run ≤ 3.1.24. Version 3.1.25 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Download Manager.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 3.1.25, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Download Manager to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Ram.
Authenticated File Upload in WordPress Download Manager <= 3.1.24 allows authenticated (Author+) users to upload files with a double extension, e.g. "payload.php.png" which is executable in some configurations. This issue affects: WordPress Download Manager version 3.1.24 and prior versions.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Download Manager
All 93| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Author+) Stored Cross-Site Scripting via 'file[additional_previews][]' Parameter 6.0.0 – 7.6.3Update to 7.6.4 | CVE-2026-120658 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Registration Form (WP_Error-as-ID) via Spotlight Template [author_name] 6.0.0 – 7.5.9Update to 7.6.4 | CVE-2026-119156 | |
| Medium4.3 | Download Manager <= 3.3.71 (free) & 7.5.9 (Pro) Cross-Site Request Forgery ≤7.5.8Update to 3.3.71 or 7.5.9 | CVE-2026-86611 | |
| Medium6.1 | Unauthenticated DOM-Based Reflected Cross-Site Scripting via 'REFERRER' Parameter ≤3.3.57Update to 3.3.58 | CVE-2026-12054 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via wpdm_packages Shortcode ≤3.3.58Update to 3.3.59 | CVE-2026-9696 |
- Medium6.4Authenticated (Author+) Stored Cross-Site Scripting via 'file[additional_previews][]' Parameter
6.0.0 – 7.6.3Update to 7.6.4
- High7.2Unauthenticated Stored Cross-Site Scripting via Registration Form (WP_Error-as-ID) via Spotlight Template [author_name]
6.0.0 – 7.5.9Update to 7.6.4
- Medium4.3Download Manager <= 3.3.71 (free) & 7.5.9 (Pro) Cross-Site Request Forgery
≤7.5.8Update to 3.3.71 or 7.5.9
- Medium6.1Unauthenticated DOM-Based Reflected Cross-Site Scripting via 'REFERRER' Parameter
≤3.3.57Update to 3.3.58
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via wpdm_packages Shortcode
≤3.3.58Update to 3.3.59
Same weakness (Arbitrary File Upload)
All Arbitrary File Upload| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity high, CVSS 7.5
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.