Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization: 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 4.2.15 or newer covers every fixed problem listed here.
Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.
Get an email when your site is affected: install Watchfox AI (free)
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 4.0.0 up to and including 4.2.14
- Fixed in
- 4.2.15
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.15 or newer.
- Official ID
- CVE-2026-96530
- Report title
- Optimole 4.0.0 - 4.2.14 - Authenticated (Subscriber+) Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 4.2.14)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.14
- Fixed in
- 4.2.15
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.15 or newer.
- Official ID
- CVE-2026-102375
- Report title
- Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization <= 4.2.14 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone with an author account on your site could plant harmful code that runs for your visitors or admins (from 4.0.0 up to and including 4.2.12)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 4.0.0 up to and including 4.2.12
- Fixed in
- 4.2.13
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.13 or newer.
- Official ID
- CVE-2026-96531
- Report title
- Optimole 4.0.0 - 4.2.12 - Authenticated (Author+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.2.11)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.11
- Fixed in
- 4.2.12
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.12 or newer.
- Official ID
- CVE-2026-84829
- Report title
- Optimole <= 4.2.11 - Unauthenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.2.10)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.10
- Fixed in
- 4.2.11
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.11 or newer.
- Official ID
- CVE-2026-77365
- Report title
- Optimole <= 4.2.10 - Unauthenticated Stored Cross-Site Scripting via 'a' (above_fold_images) Parameter
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.2.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.7
- Fixed in
- 4.2.8
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.8 or newer.
- Official ID
- CVE-2026-57673
- Report title
- Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization <= 4.2.7 - Unauthenticated Stored Cross-Site Scripting
- 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 4.2.6
- Fixed in
- 4.2.7
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.7 or newer.
- Official ID
- CVE-2026-11784
- Report title
- Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization <= 4.2.6 - Cross-Site Request Forgery via 'optml_replace_file' AJAX Action
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.2.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.2
- Fixed in
- 4.2.3
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.3 or newer.
- Official ID
- CVE-2026-5217
- Report title
- Optimole <= 4.2.2 - Unauthenticated Stored Cross-Site Scripting via Srcset Descriptor Parameter
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 4.2.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.3
- Fixed in
- 4.2.4
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.2.4 or newer.
- Official ID
- CVE-2026-5226
- Report title
- Optimole <= 4.2.3 - Reflected Cross-Site Scripting via Page Profiler URL
- First reported
- Sources
- Wordfence, seen
Someone with an author account on your site 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 4.1.0
- Fixed in
- 4.1.1
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 4.1.1 or newer.
- Official ID
- CVE-2025-11519
- Report title
- Image optimization service by Optimole <= 4.1.0 - Insecure Direct Object Reference to Authenticated (Author+) Media Offload
- First reported
- Sources
- Wordfence, seen
Someone with an author account on your site could plant harmful code that runs for your visitors or admins (up to and including 3.12.10)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.12.10
- Fixed in
- 3.13.0
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 3.13.0 or newer.
- Official ID
- CVE-2024-4636
- Report title
- Image Optimization by Optimole – Lazy Load, CDN, Convert WebP & AVIF <= 3.12.10 - Authenticated (Author+) Stored Cross-Site Scripting via SVG Upload
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 3.12.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.12.4
- Fixed in
- 3.12.5
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 3.12.5 or newer.
- Official ID
- CVE-2024-1047
- Report title
- ThemeIsle SDK <= Various Versions - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 3.3.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.3.2
- Fixed in
- 3.3.2
- What to do
- If your site has an affected version, update Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization to version 3.3.2 or newer.
- Official ID
- CVE-2022-0969
- Report title
- Image optimization & Lazy Load <= 3.3.1 - Admin+ 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.
Install Watchfox AI once. It checks your plugins and themes against this list every day, for free.
Install Watchfox AI (free)