BackWPup 5 — 5.5.0 - Missing Authorization to Sensitive Information Exposure
CVE-2025-10579Published · Updated Action summary
Affected: 5 – 5.5.0Update to 5.5.1 or newer
All remediation steps- Severity
- Medium5.3
- CVSS
- 5.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NWhat 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:NIntegrity- None
A:NAvailability- None
- Weakness
- CWE-862 Missing Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
BackWPup – WordPress Backup & Restore Plugin backwpup
- Affected5 – 5.5.0
- Patched in5.5.1
Update to 5.5.1 or newer.
You are affected if you run 5 – 5.5.0. Version 5.5.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under BackWPup – WordPress Backup & Restore Plugin.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 5.5.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch BackWPup – WordPress Backup & Restore Plugin to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Dmitrii Ignatyev.
The BackWPup – WordPress Backup & Restore Plugin plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'backwpup_working' AJAX action in versions 5 through 5.5.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to retrieve access to a back-up's filename while a backup is running. This information has little value on it's own, but could be used to aid in a brute force attack to retrieve back-up contents in limited environments (i.e. NGINX).
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 BackWPup – WordPress Backup & Restore Plugin
All 16| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Information Exposure <5.7.7Update to 5.7.7 | CVE-2026-86826 | |
| Medium4.9 | Authenticated (Administrator+) Path Traversal <5.7.7Update to 5.7.7 | CVE-2026-86828 | |
| Medium5.3 | 5.7.6 - Missing Authorization 3.3 – 5.7.6Update to 5.7.7 | CVE-2026-86827 | |
| Medium4.3 | 5.7.4 - Missing Authorization 5.2.2 – 5.7.4Update to 5.7.5 | CVE-2026-86815 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤5.7.4Update to 5.7.5 | CVE-2026-65443 |
- Medium5.3Unauthenticated Information Exposure
<5.7.7Update to 5.7.7
- Medium4.9Authenticated (Administrator+) Path Traversal
<5.7.7Update to 5.7.7
- Medium5.35.7.6 - Missing Authorization
3.3 – 5.7.6Update to 5.7.7
- Medium4.35.7.4 - Missing Authorization
5.2.2 – 5.7.4Update to 5.7.5
- High7.2Unauthenticated Stored Cross-Site Scripting
≤5.7.4Update to 5.7.5
Same weakness (Missing Authorization)
All Missing Authorization| 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 medium, CVSS 5.3
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.