Backup and Staging by WP Time Capsule <= 1.22.21 — Unauthenticated Arbitrary File Upload
CVE-2024-8856Published · Updated Action summary
Affected: ≤1.22.21Update to 1.22.22 or newer
All remediation steps- Severity
- Critical9.8
- CVSS
- 9.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-434 Arbitrary File Upload
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Backup and Staging by WP Time Capsule wp-time-capsule
- Affected≤ 1.22.21
- Patched in1.22.22
Update to 1.22.22 or newer.
You are affected if you run ≤ 1.22.21. Version 1.22.22 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Backup and Staging by WP Time Capsule.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 1.22.22, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Backup and Staging by WP Time Capsule to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Rein Daelman (trein).
The Backup and Staging by WP Time Capsule plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the the UploadHandler.php file and no direct file access prevention in all versions up to, and including, 1.22.21. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
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 Backup and Staging by WP Time Capsule
All 10| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization ≤1.22.27Update to 1.22.28 | CVE-2026-107237 | |
| Medium6.5 | Missing Authorization to Authenticated (Subscriber+) Sensitive Information Exposure via download_recent_decrypted_file_wptc Function ≤1.22.26Update to 1.22.27 | CVE-2026-8996 | |
| Medium5.3 | Missing Authorization ≤1.22.25Update to 1.22.26 | CVE-2026-42760 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤1.22.23Update to 1.22.24 | CVE-2025-47477 | |
| High7.2 | Authenticated (Administrator+) PHP Object Injection ≤1.22.21Update to 1.22.22 | CVE-2024-49684 |
- Medium4.3Missing Authorization
≤1.22.27Update to 1.22.28
- Medium6.5Missing Authorization to Authenticated (Subscriber+) Sensitive Information Exposure via download_recent_decrypted_file_wptc Function
≤1.22.26Update to 1.22.27
- Medium5.3Missing Authorization
≤1.22.25Update to 1.22.26
- Medium6.1Reflected Cross-Site Scripting
≤1.22.23Update to 1.22.24
- High7.2Authenticated (Administrator+) PHP Object Injection
≤1.22.21Update to 1.22.22
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 critical, CVSS 9.8
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.