BackWPup – WordPress Backup & Restore Plugin: known security problems
16 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 16 known security problems on this page. Each one has a fixed version. Updating to version 5.7.7 or newer covers every fixed problem listed here.
Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.
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A stranger could use it to harm your site (before 5.7.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.7.7
- Fixed in
- 5.7.7
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.7.7 or newer.
- Official ID
- CVE-2026-86826
- Report title
- BackWPup – WordPress Backup & Restore Plugin < 5.7.7 - Unauthenticated Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (from 3.3 up to and including 5.7.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 3.3 up to and including 5.7.6
- Fixed in
- 5.7.7
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.7.7 or newer.
- Official ID
- CVE-2026-86827
- Report title
- BackWPup – WordPress Backup & Restore Plugin 3.3 - 5.7.6 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could read or delete private files on your server (before 5.7.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 5.7.7
- Fixed in
- 5.7.7
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.7.7 or newer.
- Official ID
- CVE-2026-86828
- Report title
- BackWPup – WordPress Backup & Restore Plugin < 5.7.7 - Authenticated (Administrator+) Path Traversal
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (from 5.2.2 up to and including 5.7.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 5.2.2 up to and including 5.7.4
- Fixed in
- 5.7.5
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.7.5 or newer.
- Official ID
- CVE-2026-86815
- Report title
- BackWPup – WordPress Backup & Restore Plugin 5.2.2 - 5.7.4 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.7.4
- Fixed in
- 5.7.5
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.7.5 or newer.
- Official ID
- CVE-2026-65443
- Report title
- BackWPup <= 5.7.4 - Unauthenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could read or delete private files on your server (up to and including 5.6.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.6.6
- Fixed in
- 5.6.7
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.6.7 or newer.
- Official ID
- CVE-2026-6227
- Report title
- BackWPup <= 5.6.6 - Authenticated (Administrator+) Local File Inclusion via 'block_name' Parameter
- First reported
- Sources
- Wordfence, seen
Someone could take over your site as an admin
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 5.0.0 up to and including 5.6.2
- Fixed in
- 5.6.3
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.6.3 or newer.
- Official ID
- CVE-2025-15041
- Report title
- BackWPup 5.0.0 - 5.6.2 - Authenticated (BackWPup Helper+) Privilege Escalation via Arbitrary Options Update
- First reported
- Sources
- Wordfence, seen
Someone could see private information they should not see (from 5 up to and including 5.5.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 5 up to and including 5.5.0
- Fixed in
- 5.5.1
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 5.5.1 or newer.
- Official ID
- CVE-2025-10579
- Report title
- BackWPup 5 - 5.5.0 - Missing Authorization to Sensitive Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could use it to harm your site (up to and including 4.0.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.0.1
- Fixed in
- 4.0.2
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 4.0.2 or newer.
- Official ID
- CVE-2023-5505
- Report title
- BackWPup <= 4.0.1 - Authenticated (Administrator+) Directory Traversal
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 4.0.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.0.2
- Fixed in
- 4.0.3
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 4.0.3 or newer.
- Official ID
- CVE-2023-5775
- Report title
- BackWPup <= 4.0.2 - Plaintext Storage of Backup Destination Password
- First reported
- Sources
- Wordfence, seen
Someone could see private information they should not see (up to and including 4.0.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.0.3
- Fixed in
- 4.0.4
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 4.0.4 or newer.
- Official ID
- CVE-2023-7164
- Report title
- BackWPup <= 4.0.3 - Sensitive Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could use it to harm your site (up to and including 4.0.1) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.0.1
- Fixed in
- 4.0.2
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 4.0.2 or newer.
- Official ID
- CVE-2023-5504
- Report title
- BackWPup <= 4.0.1 - Authenticated (Administrator+) Directory Traversal
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site (before 3.4.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.4.2
- Fixed in
- 3.4.2
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 3.4.2 or newer.
- Official ID
- CVE-2017-2551
- Report title
- BackWPup <= 3.4.1 - Unauthenticated Backup Download
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.0.13
- Fixed in
- 3.0.13
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 3.0.13 or newer.
- Official ID
- CVE-2013-4626
- Report title
- BackWPup < 3.0.13 - Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 1.7.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 1.7.1
- Fixed in
- 1.7.2
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 1.7.2 or newer.
- Official ID
- CVE-2011-4342
- Report title
- BackWPup <= 1.7.1 - Remote File Inclusion
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (before 1.4.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 1.4.1
- Fixed in
- 1.4.1
- What to do
- If your site has an affected version, update BackWPup – WordPress Backup & Restore Plugin to version 1.4.1 or newer.
- Official ID
- CVE-2011-5208
- Report title
- BackWPup – WordPress Backup Plugin < 1.4.1 - Directory Traversal
- First reported
- Sources
- Wordfence, seen
Where this comes from
We collect these reports from public security sources and rewrite them in plain words. Each problem shows its sources and the date we first saw it. This page never says whether your own site is affected: only a check of your site’s versions can tell.
Get an email when your site is affected.
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