Smart Slider 3: known security problems
13 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 13 known security problems on this page. Each one has a fixed version. Updating to version 3.5.1.39 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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Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 3.5.1.38)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.38
- Fixed in
- 3.5.1.39
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.39 or newer.
- Official ID
- CVE-2026-14876
- Report title
- Smart Slider 3 <= 3.5.1.38 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-href' Attribute in Custom HTML Block
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 3.5.1.38) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.38
- Fixed in
- 3.5.1.39
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.39 or newer.
- Official ID
- CVE-2026-15798
- Report title
- Smart Slider 3 <= 3.5.1.38 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'slider' Block Attribute
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could see private information they should not see
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.37
- Fixed in
- 3.5.1.38
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.38 or newer.
- Official ID
- CVE-2026-12385
- Report title
- Smart Slider 3 <= 3.5.1.37 - Missing Authorization to Authenticated (Contributor+) Sensitive Information Exposure via WP_Query Parameter Injection via 'keyword' Parameter
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could read or delete private files on your server
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.36
- Fixed in
- 3.5.1.37
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.37 or newer.
- Official ID
- CVE-2026-9197
- Report title
- Smart Slider 3 <= 3.5.1.36 - Authenticated (Administrator+) Path Traversal to Arbitrary File Read via 'src'/'srcset' Attribute in HTML Export
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could do things on your site they should not be allowed to
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.33
- Fixed in
- 3.5.1.34
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.34 or newer.
- Official ID
- CVE-2026-4065
- Report title
- Smart Slider 3 <= 3.5.1.33 - Missing Authorization to Authenticated (Contributor+) Slider Data Read and Image Record Manipulation
- First reported
- Sources
- Wordfence, seen
Anyone with an account on your site, even a basic one could read or delete private files on your server
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.33
- Fixed in
- 3.5.1.34
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.34 or newer.
- Official ID
- CVE-2026-3098
- Report title
- Smart Slider 3 <= 3.5.1.33 - Authenticated (Subscriber+) Arbitrary File Read via actionExportAll
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could read or change the data in your site’s database
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.28
- Fixed in
- 3.5.1.29
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.29 or newer.
- Official ID
- CVE-2025-6348
- Report title
- Smart Slider 3 <= 3.5.1.28 - Authenticated (Administrator+) SQL Injection via `sliderid` Parameter
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.22
- Fixed in
- 3.5.1.23
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.23 or newer.
- Official ID
- CVE-2024-3027
- Report title
- Smart Slider 3 <= 3.5.1.22 - Missing Authorization to Limited File Upload
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 3.5.1.13)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.13
- Fixed in
- 3.5.1.14
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.14 or newer.
- Official ID
- CVE-2023-0660
- Report title
- Smart Slider 3 <= 3.5.1.13 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could in some setups, take over your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.9
- Fixed in
- 3.5.1.11
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.11 or newer.
- Official ID
- CVE-2022-45845
- Report title
- Smart Slider 3 <= 3.5.1.9 - Authenticated (Contributor+) PHP Object Injection
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 3.5.1.9)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.9
- Fixed in
- 3.5.1.11
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.11 or newer.
- Official ID
- CVE-2022-45843
- Report title
- Smart Slider 3 <= 3.5.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could in some setups, take over your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.1.9
- Fixed in
- 3.5.1.11
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.1.11 or newer.
- Official ID
- CVE-2022-3357
- Report title
- Smart Slider 3 <= 3.5.1.9 - PHP Object Injection
- 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 3.5.0.9
- Fixed in
- 3.5.0.9
- What to do
- If your site has an affected version, update Smart Slider 3 to version 3.5.0.9 or newer.
- Official ID
- CVE-2021-24382
- Report title
- Smart Slider 3 <= 3.5.0.8 - Authenticated Stored Cross-Site Scripting
- 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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