Mercado Pago payments for WooCommerce: known security problems
5 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 5 known security problems on this page. Each one has a fixed version. Updating to version 8.9.1 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
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.9.0
- Fixed in
- 8.9.1
- What to do
- If your site has an affected version, update Mercado Pago payments for WooCommerce to version 8.9.1 or newer.
- Official ID
- CVE-2026-28180
- Report title
- Mercado Pago payments for WooCommerce <= 8.9.0 - Unauthenticated Insecure Direct Object Reference
- First reported
- Sources
- Wordfence, seen
A stranger 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 8.7.11
- Fixed in
- 8.7.12
- What to do
- If your site has an affected version, update Mercado Pago payments for WooCommerce to version 8.7.12 or newer.
- Official ID
- CVE-2026-3208
- Report title
- Mercado Pago payments for WooCommerce <= 8.7.11 - Missing Authorization to Unauthenticated PIX Payment QR Code Image Disclosure
- First reported
- Sources
- Wordfence, seen
Anyone with an account on your site, even a basic one could use it to harm your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 7.3.0 up to and including 7.6.1
- Fixed in
- 7.6.2
- What to do
- If your site has an affected version, update Mercado Pago payments for WooCommerce to version 7.6.2 or newer.
- Official ID
- CVE-2024-3934
- Report title
- Mercado Pago payments for WooCommerce 7.3.0 - 7.6.1 - Authenticated (Subscriber+) Arbitrary File Download
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing (up to and including 6.3.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.3.1
- Fixed in
- 6.4.0
- What to do
- If your site has an affected version, update Mercado Pago payments for WooCommerce to version 6.4.0 or newer.
- Official ID
- CVE-2022-45068
- Report title
- Mercado Pago payments for WooCommerce <= 6.3.1 - Cross-Site Request Forgery
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing (up to and including 6.6.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.6.0
- Fixed in
- 6.7.0
- What to do
- If your site has an affected version, update Mercado Pago payments for WooCommerce to version 6.7.0 or newer.
- Report title
- Mercado Pago payments for WooCommerce <= 6.6.0 - Cross-Site Request Forgery
- 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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