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PPWP – Password Protect Pages: known security problems

12 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.

Updated

In short

There are 12 known security problems on this page. Each one has a fixed version. Updating to version 1.9.27 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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This week

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 1.9.26
Fixed in
1.9.27
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.27 or newer.
Official ID
CVE-2026-116520
Report title
PPWP <= 1.9.26 - Unauthenticated Stored Cross-Site Scripting via '[ppwp]' Shortcode 'desc_below_form' Attribute via Placeholder Marker Collision
First reported
Sources
This week

Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 1.9.21)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 1.9.21
Fixed in
1.9.22
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.22 or newer.
Official ID
CVE-2025-9878
Report title
Password Protect WordPress Lite <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting
First reported
Sources
This week

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 1.9.18
Fixed in
1.9.19
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.19 or newer.
Official ID
CVE-2026-0551
Report title
PPWP – Password Protect Pages <= 1.9.18 - Authenticated (Contributor+) PHP Object Injection via post_protection_roles
First reported
Sources
This week

Someone with a contributor account on your site could use it to harm your site (up to and including 1.9.15)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 1.9.15
Fixed in
1.9.16
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.16 or newer.
Official ID
CVE-2025-11729
Report title
PPWP: Password Protect Pages, Posts & Full or Partial Content <= 1.9.15 - Improper Authorization To Authenticated (Contributor+) Master Password Exposure
First reported
Sources
This week

Someone with a contributor account on your site could use it to harm your site (up to and including 1.9.20)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 1.9.20
Fixed in
1.9.21
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.21 or newer.
Official ID
CVE-2025-10005
Report title
Password Protect WordPress Lite <= 1.9.20 - Insecure Direct Object Reference to Authenticated (Contributor+) Password Protected Post Password Update
First reported
Sources
This week

Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 1.9.21) (2)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 1.9.21
Fixed in
1.9.22
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.22 or newer.
Official ID
CVE-2026-3639
Report title
PPWP – Password Protect Pages <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
First reported
Sources
This week

Someone with a contributor account on your site could use it to harm your site (up to and including 1.9.19)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 1.9.19
Fixed in
1.9.20
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.20 or newer.
Official ID
CVE-2026-57634
Report title
PPWP – Password Protect Pages <= 1.9.19 - Authenticated (Contributor+) Insecure Direct Object Reference
First reported
Sources
This week

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 1.9.15
Fixed in
1.9.16
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.16 or newer.
Official ID
CVE-2026-32562
Report title
PPWP – Password Protect Pages <= 1.9.15 - Missing Authorization
First reported
Sources
This week

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
  • Up to and including 1.9.10
Fixed in
1.9.11
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.11 or newer.
Official ID
CVE-2025-5998
Report title
PPWP – Password Protect Pages <= 1.9.10 - Authenticated (Subscriber+) Content Exposure via REST API
First reported
Sources
This week

A stranger 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 1.9.5
Fixed in
1.9.6
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.6 or newer.
Official ID
CVE-2024-11280
Report title
PPWP – Password Protect Pages <= 1.9.5 - Unauthenticated Content Restriction Bypass to Sensitive Information Exposure
First reported
Sources
This week

Someone 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 1.8.9
Fixed in
1.9.0
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.9.0 or newer.
Official ID
CVE-2024-0620
Report title
PPWP – Password Protect Pages <= 1.8.9 - Protection Mechanism Bypass
First reported
Sources
This week

Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 1.8.5)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 1.8.5
Fixed in
1.8.6
What to do
If your site has an affected version, update PPWP – Password Protect Pages to version 1.8.6 or newer.
Official ID
CVE-2022-4626
Report title
PPWP – WordPress Password Protect Page <= 1.8.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
First reported
Sources

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.

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