Gutenverse – WordPress Blocks, Page Builder & Site Editor: known security problems
15 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 15 known security problems on this page. Each one has a fixed version. Updating to version 4.0.9 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 4.0.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.0.8
- Fixed in
- 4.0.9
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 4.0.9 or newer.
- Official ID
- CVE-2026-92746
- Report title
- Gutenverse <= 4.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Comment Block 'suffixMain' Attribute
- 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 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 Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 4.0.3 or newer.
- Official ID
- CVE-2026-3002
- Report title
- Gutenverse <= 4.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Blocks
- 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 4.0.2) (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 Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 4.0.3 or newer.
- Official ID
- CVE-2026-19943
- Report title
- Gutenverse <= 4.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'titleTag' Block Attribute
- First reported
- Sources
- Wordfence, seen
Someone with an editor account on your site 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 3.8.0
- Fixed in
- 3.8.1
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.8.1 or newer.
- Official ID
- CVE-2026-12399
- Report title
- Gutenverse <= 3.8.0 - Authenticated (Editor+) Stored Cross-Site Scripting via 'fonts[].font.font.value' Parameter
- 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
- Up to and including 3.4.6
- Fixed in
- 3.4.7
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.4.7 or newer.
- Official ID
- CVE-2026-3001
- Report title
- Gutenverse <= 3.4.6 - Reflected Cross-Site Scripting via 's' Parameter
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could make your server visit other addresses on their behalf
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.3
- Fixed in
- 3.6.0
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.6.0 or newer.
- Official ID
- CVE-2026-2948
- Report title
- Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem <= 3.5.3 - Authenticated (Contributor+) Server-Side Request Forgery via 'imageUrl'
- 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 3.5.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.5.3
- Fixed in
- 3.6.0
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.6.0 or newer.
- Official ID
- CVE-2026-2868
- Report title
- Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem <= 3.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'separatorIconSVG'
- 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 3.4.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.4.6
- Fixed in
- 3.4.7
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.4.7 or newer.
- Official ID
- CVE-2026-2924
- Report title
- Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem <= 3.4.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'imageLoad'
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 3.2.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.2.1
- Fixed in
- 3.3.0
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.3.0 or newer.
- Official ID
- CVE-2025-66065
- Report title
- Gutenverse <= 3.2.1 - Missing Authorization
- 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 3.1.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.1.0
- Fixed in
- 3.1.1
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.1.1 or newer.
- Official ID
- CVE-2025-7727
- Report title
- Gutenverse <= 3.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Animated Text and Fun Fact Blocks
- 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 2.2.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.2.1
- Fixed in
- 3.0.0
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 3.0.0 or newer.
- Official ID
- CVE-2025-2893
- Report title
- Gutenverse <= 2.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via countdown 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 1.9.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 1.9.4
- Fixed in
- 2.0.0
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 2.0.0 or newer.
- Official ID
- CVE-2024-43920
- Report title
- Gutenverse <= 1.9.4 - Authenticated (Contributor+) Stored Cross-Site Scripting
- 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 1.9.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 1.9.2
- Fixed in
- 1.9.3
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 1.9.3 or newer.
- Official ID
- CVE-2024-38785
- Report title
- Gutenverse <= 1.9.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
- 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 1.9.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 1.9.0
- Fixed in
- 1.9.1
- What to do
- If your site has an affected version, update Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 1.9.1 or newer.
- Official ID
- CVE-2024-3692
- Report title
- Gutenverse <= 1.9.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (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 Gutenverse – WordPress Blocks, Page Builder & Site Editor to version 1.8.6 or newer.
- Official ID
- CVE-2023-35875
- Report title
- Gutenverse <= 1.8.5 - Missing Authorization via 'data/update' API Endpoint
- 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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