Relevanssi – A Better Search: known security problems
22 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 22 known security problems on this page. Each one has a fixed version. Updating to version 4.28.6 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)
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.28.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.28.5
- Fixed in
- 4.28.6
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.28.6 or newer.
- Official ID
- CVE-2026-116522
- Report title
- Relevanssi <= 4.28.5 - Unauthenticated Stored Cross-Site Scripting via Comment Content via Late Entity Decode
- First reported
- Sources
- Wordfence, seen
Someone with an editor 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 4.28.4
- Fixed in
- 4.28.5
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.28.5 or newer.
- Official ID
- CVE-2026-114704
- Report title
- Relevanssi – A Better Search <= 4.28.4 - Authenticated (Editor+) PHP Object Injection
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.28.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.28.3
- Fixed in
- 4.28.4
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.28.4 or newer.
- Official ID
- CVE-2026-97641
- Report title
- Relevanssi <= 4.28.3 - Unauthenticated Stored Cross-Site Scripting via Comment Content
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 4.28.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.28.1
- Fixed in
- 4.28.2
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.28.2 or newer.
- Official ID
- CVE-2026-19985
- Report title
- Relevanssi <= 4.28.1 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could read or change the data in your site’s database (up to and including 4.27.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.27.1
- Fixed in
- 4.27.2
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.27.2 or newer.
- Official ID
- CVE-2026-15941
- Report title
- Relevanssi <= 4.27.1 and Relevanssi Premium <= 2.30.2 - Authenticated (Contributor+) SQL Injection
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could read or change the data in your site’s database (before 4.26.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 4.26.0
- Fixed in
- 4.26.0
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.26.0 or newer.
- Official ID
- CVE-2025-14719
- Report title
- Relevanssi < 4.26.0 (Free) < 2.29.0 (Premium) - Authenticated (Contributor+) SQL Injection
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.24.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.24.5
- Fixed in
- 4.24.6
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.24.6 or newer.
- Official ID
- CVE-2025-5016
- Report title
- Relevanssi <= 4.24.5 (Free) and <= 2.27.6 (Premium) - Unauthenticated Stored Cross-Site Scripting via Excerpt Highlights
- First reported
- Sources
- Wordfence, seen
A stranger 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 4.24.4
- Fixed in
- 4.24.5
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.24.5 or newer.
- Official ID
- CVE-2025-4396
- Report title
- Relevanssi <= 4.24.4 (Free) and <= 2.27.5 (Premium) - Unauthenticated SQL Injection
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 4.24.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.24.3
- Fixed in
- 4.24.4
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.24.4 or newer.
- Official ID
- CVE-2025-4054
- Report title
- Relevanssi <= 4.24.3 (Free) and <= 2.27.4 (Premium) - Unauthenticated Stored Cross-Site Scripting via Search Highlights
- First reported
- Sources
- Wordfence, seen
Someone with a contributor 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 4.23.0
- Fixed in
- 4.23.1
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.23.1 or newer.
- Official ID
- CVE-2024-9021
- Report title
- Relevanssi – A Better Search <= 4.23.0 (Free) and <= 2.26.0 (Premium) - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site (up to and including 4.22.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.22.2
- Fixed in
- 4.23.0
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.23.0 or newer.
- Official ID
- CVE-2024-7630
- Report title
- Relevanssi <= 4.22.2 (Free) and <= 2.25.1 (Premium) - Unauthenticated Information Exposure
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site (up to and including 4.22.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.22.1
- Fixed in
- 4.22.2
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.22.2 or newer.
- Official ID
- CVE-2024-3214
- Report title
- Relevanssi – A Better Search <= 4.22.1 - Unauthenticated Second Order CSV Injection
- First reported
- Sources
- Wordfence, seen
A stranger could do things on your site they should not be allowed to (up to and including 4.22.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.22.1
- Fixed in
- 4.22.2
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.22.2 or newer.
- Official ID
- CVE-2024-3213
- Report title
- Relevanssi – A Better Search <= 4.22.1 - Missing Authorization to Unauthenticated Count Option Update
- First reported
- Sources
- Wordfence, seen
A stranger could do things on your site they should not be allowed to (up to and including 4.22.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.22.0
- Fixed in
- 4.22.1
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.22.1 or newer.
- Official ID
- CVE-2024-1380
- Report title
- Relevanssi – A Better Search <= 4.22.0 (Free) and <= 2.25.0 (Premium) - Missing Authorization to Unauthenticated Query Log Export
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 4.21.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.21.2
- Fixed in
- 4.22.0
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.22.0 or newer.
- Official ID
- CVE-2023-7199
- Report title
- Relevanssi <= 4.21.2 (Free) and < 2.25.0 (Premium) - Missing Authorization to Unauthorized Post Access
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (before 4.14.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 4.14.6
- Fixed in
- 4.14.6
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.14.6 or newer.
- Report title
- Relevanssi – A Better Search < 4.14.6 & Relevanssi – A Better Search Pro < 2.16.5 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 4.14.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 4.14.3
- Fixed in
- 4.14.4
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.14.4 or newer.
- Report title
- Relevanssi - A Better Search Free & Premium <= 2.16.3 & 4.14.3 - Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could read or change the data in your site’s database (before 3.6.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.6.1
- Fixed in
- 3.6.1
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 3.6.1 or newer.
- Report title
- Relevanssi <= 3.6.0 - Authenticated (Admin+) SQL Injection
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 4.0.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.0.4
- Fixed in
- 4.0.5
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 4.0.5 or newer.
- Official ID
- CVE-2018-9034
- Report title
- Relevanssi <= 4.0.4 - Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 3.5.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.5.8
- Fixed in
- 3.5.8
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 3.5.8 or newer.
- Official ID
- CVE-2017-1000038
- Report title
- Relevanssi – A Better Search <= 3.5.7.1 - Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 3.3.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.3.8
- Fixed in
- 3.3.8
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 3.3.8 or newer.
- Official ID
- CVE-2014-9443
- Report title
- Relevanssi – A Better Search < 3.3.8 - Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could read or change the data in your site’s database (up to and including 3.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.3
- Fixed in
- 3.3.1
- What to do
- If your site has an affected version, update Relevanssi – A Better Search to version 3.3.1 or newer.
- Report title
- Relevanssi <= 3.3 - SQL Injection
- 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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