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11 vulnerabilities by BackupGuard
CVE-2026-4853 (GCVE-0-2026-4853)
Vulnerability from nvd – Published: 2026-04-17 03:36 – Updated: 2026-04-17 12:23
VLAI
Title
JetBackup <= 3.1.19.8 - Authenticated (Administrator+) Arbitrary Directory Deletion via Path Traversal in 'fileName' Parameter
Summary
The JetBackup – Backup, Restore & Migrate plugin for WordPress is vulnerable to Path Traversal leading to Arbitrary Directory Deletion in versions up to and including 3.1.19.8. This is due to insufficient input validation on the fileName parameter in the file upload handler. The plugin sanitizes the fileName parameter using sanitize_text_field(), which removes HTML tags but does not prevent path traversal sequences like '../'. The unsanitized filename is then directly concatenated in Upload::getFileLocation() without using basename() or validating the resolved path stays within the intended directory. When an invalid file is uploaded, the cleanup logic calls dirname() on the traversed path and passes it to Util::rm(), which recursively deletes the entire resolved directory. This makes it possible for authenticated attackers with administrator-level access to traverse outside the intended upload directory and trigger deletion of critical WordPress directories such as wp-content/plugins, effectively disabling all installed plugins and causing severe site disruption.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 3.1.19.8
(semver)
|
Credits
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CVE-2020-36669 (GCVE-0-2020-36669)
Vulnerability from nvd – Published: 2023-03-07 13:33 – Updated: 2026-04-08 17:11
VLAI
Title
JetBackup – WP Backup, Migrate & Restore <= 1.3.9 - Cross-Site Request Forgery to Arbitrary File Upload
Summary
The JetBackup – WP Backup, Migrate & Restore plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including 1.3.9. This is due to missing nonce validation on the backup_guard_get_import_backup() function. This makes it possible for unauthenticated attackers to upload arbitrary files to the vulnerable site's server via a forged request, granted they can trick a site's administrator into performing an action such as clicking on a link.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 1.3.9
(semver)
|
Credits
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CVE-2020-36668 (GCVE-0-2020-36668)
Vulnerability from nvd – Published: 2023-03-07 13:28 – Updated: 2026-04-08 16:47
VLAI
Title
JetBackup – WP Backup, Migrate & Restore <= 1.4.0 - Sensitive Information Disclosure
Summary
The JetBackup – WP Backup, Migrate & Restore plugin for WordPress is vulnerable to sensitive information disclosure in versions up to, and including, 1.4.0 due to a lack of proper capability checking on the backup_guard_get_manual_modal function called via an AJAX action. This makes it possible for subscriber-level attackers, and above, to invoke the function and obtain database table information.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 1.4.0
(semver)
|
Credits
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CVE-2020-36667 (GCVE-0-2020-36667)
Vulnerability from nvd – Published: 2023-03-07 13:23 – Updated: 2026-04-08 16:54
VLAI
Title
JetBackup – WP Backup, Migrate & Restore <= 1.4.1 - Missing Authorization to Unauthorized Backup Location Change
Summary
The JetBackup – WP Backup, Migrate & Restore plugin for WordPress is vulnerable to unauthorized back-up location changes in versions up to, and including 1.4.1 due to a lack of proper capability checking on the backup_guard_cloud_dropbox, backup_guard_cloud_gdrive, and backup_guard_cloud_oneDrive functions. This makes it possible for authenticated attackers, with minimal permissions, such as a subscriber to change to location of back-ups and potentially steal sensitive information from them.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 1.4.0
(semver)
|
Credits
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CVE-2017-10837 (GCVE-0-2017-10837)
Vulnerability from nvd – Published: 2017-08-28 20:00 – Updated: 2024-08-05 17:50
VLAI
Summary
Cross-site scripting vulnerability in BackupGuard prior to version 1.1.47 allows an attacker to inject arbitrary web script or HTML via unspecified vectors.
Severity
No CVSS data available.
CWE
- Cross-site scripting
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/backup/#developers | x_refsource_MISC |
| https://jvn.jp/en/jp/JVN58559719/index.html | third-party-advisoryx_refsource_JVN |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| BackupGuard | BackupGuard |
Affected:
prior to version 1.1.47
|
Date Public
2017-08-28 00:00
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CVE-2026-4853 (GCVE-0-2026-4853)
Vulnerability from cvelistv5 – Published: 2026-04-17 03:36 – Updated: 2026-04-17 12:23
VLAI
Title
JetBackup <= 3.1.19.8 - Authenticated (Administrator+) Arbitrary Directory Deletion via Path Traversal in 'fileName' Parameter
Summary
The JetBackup – Backup, Restore & Migrate plugin for WordPress is vulnerable to Path Traversal leading to Arbitrary Directory Deletion in versions up to and including 3.1.19.8. This is due to insufficient input validation on the fileName parameter in the file upload handler. The plugin sanitizes the fileName parameter using sanitize_text_field(), which removes HTML tags but does not prevent path traversal sequences like '../'. The unsanitized filename is then directly concatenated in Upload::getFileLocation() without using basename() or validating the resolved path stays within the intended directory. When an invalid file is uploaded, the cleanup logic calls dirname() on the traversed path and passes it to Util::rm(), which recursively deletes the entire resolved directory. This makes it possible for authenticated attackers with administrator-level access to traverse outside the intended upload directory and trigger deletion of critical WordPress directories such as wp-content/plugins, effectively disabling all installed plugins and causing severe site disruption.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
8 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 3.1.19.8
(semver)
|
Credits
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CVE-2020-36669 (GCVE-0-2020-36669)
Vulnerability from cvelistv5 – Published: 2023-03-07 13:33 – Updated: 2026-04-08 17:11
VLAI
Title
JetBackup – WP Backup, Migrate & Restore <= 1.3.9 - Cross-Site Request Forgery to Arbitrary File Upload
Summary
The JetBackup – WP Backup, Migrate & Restore plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including 1.3.9. This is due to missing nonce validation on the backup_guard_get_import_backup() function. This makes it possible for unauthenticated attackers to upload arbitrary files to the vulnerable site's server via a forged request, granted they can trick a site's administrator into performing an action such as clicking on a link.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 1.3.9
(semver)
|
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CVE-2020-36668 (GCVE-0-2020-36668)
Vulnerability from cvelistv5 – Published: 2023-03-07 13:28 – Updated: 2026-04-08 16:47
VLAI
Title
JetBackup – WP Backup, Migrate & Restore <= 1.4.0 - Sensitive Information Disclosure
Summary
The JetBackup – WP Backup, Migrate & Restore plugin for WordPress is vulnerable to sensitive information disclosure in versions up to, and including, 1.4.0 due to a lack of proper capability checking on the backup_guard_get_manual_modal function called via an AJAX action. This makes it possible for subscriber-level attackers, and above, to invoke the function and obtain database table information.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 1.4.0
(semver)
|
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CVE-2020-36667 (GCVE-0-2020-36667)
Vulnerability from cvelistv5 – Published: 2023-03-07 13:23 – Updated: 2026-04-08 16:54
VLAI
Title
JetBackup – WP Backup, Migrate & Restore <= 1.4.1 - Missing Authorization to Unauthorized Backup Location Change
Summary
The JetBackup – WP Backup, Migrate & Restore plugin for WordPress is vulnerable to unauthorized back-up location changes in versions up to, and including 1.4.1 due to a lack of proper capability checking on the backup_guard_cloud_dropbox, backup_guard_cloud_gdrive, and backup_guard_cloud_oneDrive functions. This makes it possible for authenticated attackers, with minimal permissions, such as a subscriber to change to location of back-ups and potentially steal sensitive information from them.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| backupguard | JetBackup – Backup, Restore & Migrate |
Affected:
0 , ≤ 1.4.0
(semver)
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CVE-2017-10837 (GCVE-0-2017-10837)
Vulnerability from cvelistv5 – Published: 2017-08-28 20:00 – Updated: 2024-08-05 17:50
VLAI
Summary
Cross-site scripting vulnerability in BackupGuard prior to version 1.1.47 allows an attacker to inject arbitrary web script or HTML via unspecified vectors.
Severity
No CVSS data available.
CWE
- Cross-site scripting
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/backup/#developers | x_refsource_MISC |
| https://jvn.jp/en/jp/JVN58559719/index.html | third-party-advisoryx_refsource_JVN |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| BackupGuard | BackupGuard |
Affected:
prior to version 1.1.47
|
Date Public
2017-08-28 00:00
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JVNDB-2017-000208
Vulnerability from jvndb - Published: 2017-08-24 14:03 - Updated:2018-02-28 12:26
Severity
Summary
WordPress plugin "BackupGuard" vulnerable to cross-site scripting
Details
The WordPress plugin "BackupGuard" provided by BackupGuard contains a reflected cross-site scripting vulnerability (CWE-79).
Chris Liu reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
References
| Type | URL | |
|---|---|---|
Impacted products
| Vendor | Product | |
|---|---|---|
{
"@rdf:about": "https://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000208.html",
"dc:date": "2018-02-28T12:26+09:00",
"dcterms:issued": "2017-08-24T14:03+09:00",
"dcterms:modified": "2018-02-28T12:26+09:00",
"description": "The WordPress plugin \"BackupGuard\" provided by BackupGuard contains a reflected cross-site scripting vulnerability (CWE-79).\r\n\r\nChris Liu reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
"link": "https://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000208.html",
"sec:cpe": {
"#text": "cpe:/a:backup-guard:backup_guard",
"@product": "BackupGuard",
"@vendor": "BackupGuard",
"@version": "2.2"
},
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"@severity": "Low",
"@type": "Base",
"@vector": "AV:N/AC:H/Au:N/C:N/I:P/A:N",
"@version": "2.0"
},
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"@score": "6.1",
"@severity": "Medium",
"@type": "Base",
"@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"@version": "3.0"
}
],
"sec:identifier": "JVNDB-2017-000208",
"sec:references": [
{
"#text": "http://jvn.jp/en/jp/JVN58559719/index.html",
"@id": "JVN#58559719",
"@source": "JVN"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10837",
"@id": "CVE-2017-10837",
"@source": "CVE"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2017-10837",
"@id": "CVE-2017-10837",
"@source": "NVD"
},
{
"#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
"@id": "CWE-79",
"@title": "Cross-site Scripting(CWE-79)"
}
],
"title": "WordPress plugin \"BackupGuard\" vulnerable to cross-site scripting"
}