Simple Download Monitor: known security problems
17 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 17 known security problems on this page. Each one has a fixed version. Updating to version 4.0.6 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 4.0.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.0.5
- Fixed in
- 4.0.6
- What to do
- If your site has an affected version, update Simple Download Monitor to version 4.0.6 or newer.
- Official ID
- CVE-2026-2383
- Report title
- Simple Download Monitor <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site 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 3.9.33
- Fixed in
- 3.9.34
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.34 or newer.
- Official ID
- CVE-2025-8977
- Report title
- Simple Download Monitor <= 3.9.33 - Simple Download Monitor <= 3.9.33 – Authenticated (Contributor+) SQL Injection via order parameter in Log Export functionality
- 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 3.9.34)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.9.34
- Fixed in
- 3.9.35
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.35 or newer.
- Official ID
- CVE-2025-58197
- Report title
- Simple Download Monitor <= 3.9.34 - Authenticated (Contributor+) Stored Cross-Site Scripting
- 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 3.9.25
- Fixed in
- 3.9.26
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.26 or newer.
- Official ID
- CVE-2025-24663
- Report title
- Simple Download Monitor <= 3.9.25 - Authenticated (Administrator+) SQL Injection
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.9.8
- Fixed in
- 3.9.9
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.9 or newer.
- Official ID
- CVE-2021-24696
- Report title
- Simple Download Monitor <= 3.9.8 - Multiple Cross-Site Request Forgery vulnerabilities
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.9.10)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.9.10
- Fixed in
- 3.9.11
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.11 or newer.
- Official ID
- CVE-2021-24694
- Report title
- Simple Download Monitor <= 3.9.10 - Contributor+ Stored Cross-Site Scripting via Shortcodes
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.9.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.9.4
- Fixed in
- 3.9.5
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.5 or newer.
- Official ID
- CVE-2021-24693
- Report title
- Simple Download Monitor <= 3.9.4 - Contributor+ Stored Cross-Site Scripting via File Thumbnail
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (before 3.9.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.9.6
- Fixed in
- 3.9.6
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.6 or newer.
- Official ID
- CVE-2021-24698
- Report title
- Simple Download Monitor <= 3.9.5 - Contributor+ Arbitrary Thumbnail Removal
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (before 3.9.6) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.9.6
- Fixed in
- 3.9.6
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.6 or newer.
- Official ID
- CVE-2021-24695
- Report title
- Simple Download Monitor <= 3.9.5 - Sensitive Data Exposure
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 3.9.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.9.5
- Fixed in
- 3.9.6
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.6 or newer.
- Report title
- Simple Download Monitor <= 3.9.5 - Log Reset
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 3.9.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.9.5
- Fixed in
- 3.9.5
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.5 or newer.
- Official ID
- CVE-2021-24697
- Report title
- Simple Download Monitor <= 3.9.4 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (before 3.9.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.9.5
- Fixed in
- 3.9.5
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.9.5 or newer.
- Official ID
- CVE-2021-24692
- Report title
- Simple Download Monitor <= 3.9.4 - Contributor+ Arbitrary File Download
- 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 3.3.8
- Fixed in
- 3.3.9
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.3.9 or newer.
- Official ID
- CVE-2020-5650
- Report title
- Simple Download Monitor <= 3.8.8 - Unauthenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone 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 3.8.8
- Fixed in
- 3.8.9
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.8.9 or newer.
- Official ID
- CVE-2020-5651
- Report title
- Simple Download Monitor <= 3.8.8 - SQL Injection
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 3.5.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.5.4
- Fixed in
- 3.5.4
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.5.4 or newer.
- Official ID
- CVE-2018-5212
- Report title
- Simple Download Monitor < 3.5.4 - Authenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 3.5.4) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.5.4
- Fixed in
- 3.5.4
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.5.4 or newer.
- Official ID
- CVE-2018-5213
- Report title
- Simple Download Monitor < 3.5.4 - Authenticated Stored Cross-Site Scripting
- 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 3.2.8
- Fixed in
- 3.2.9
- What to do
- If your site has an affected version, update Simple Download Monitor to version 3.2.9 or newer.
- Report title
- Simple Download Monitor <= 3.2.8 - Missing Authorization
- 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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