diff --git a/CHANGELOG.md b/CHANGELOG.md
index cab29720da..d774abc75d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 - [#3564](https://github.com/poanetwork/blockscout/pull/3564) - Staking welcome message
 
 ### Fixes
+- [#3577](https://github.com/poanetwork/blockscout/pull/3577) - Eliminate GraphiQL page XSS attack
 
 ### Chore
 - [#3574](https://github.com/poanetwork/blockscout/pull/3574) - Correct UNI token price
diff --git a/apps/block_scout_web/mix.exs b/apps/block_scout_web/mix.exs
index fa336ccacf..f22f24d57f 100644
--- a/apps/block_scout_web/mix.exs
+++ b/apps/block_scout_web/mix.exs
@@ -60,11 +60,11 @@ defmodule BlockScoutWeb.Mixfile do
   defp deps do
     [
       # GraphQL toolkit
-      {:absinthe, "~> 1.5.2"},
+      {:absinthe, "~> 1.5"},
       # Integrates Absinthe subscriptions with Phoenix
       {:absinthe_phoenix, "~> 2.0.0"},
       # Plug support for Absinthe
-      {:absinthe_plug, "~> 1.5.0"},
+      {:absinthe_plug, git: "https://github.com/blockscout/absinthe_plug.git", tag: "1.5.3", override: true},
       # Absinthe support for the Relay framework
       {:absinthe_relay, "~> 1.5"},
       {:bypass, "~> 1.0", only: :test},
diff --git a/mix.exs b/mix.exs
index 8cf8fac3ec..af6d994668 100644
--- a/mix.exs
+++ b/mix.exs
@@ -72,6 +72,7 @@ defmodule BlockScout.Mixfile do
   # and cannot be accessed from applications inside the apps folder
   defp deps do
     [
+      {:absinthe_plug, git: "https://github.com/blockscout/absinthe_plug.git", tag: "1.5.3", override: true},
       # Documentation
       {:ex_doc, "~> 0.19.0", only: [:dev]},
       # Code coverage
diff --git a/mix.lock b/mix.lock
index 384bb3d65e..24dd39a3b7 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,7 +1,7 @@
 %{
-  "absinthe": {:hex, :absinthe, "1.5.3", "d255e6d825e63abd9ff22b6d2423540526c9d699f46b712aa76f4b9c06116ff9", [:mix], [{:dataloader, "~> 1.0.0", [hex: :dataloader, repo: "hexpm", optional: true]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:nimble_parsec, "~> 0.5", [hex: :nimble_parsec, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "69a170f3a8630b2ca489367bc2aeeabd84e15cbd1e86fe8741b05885fda32a2e"},
+  "absinthe": {:hex, :absinthe, "1.5.5", "22b26228f56dc6a1074c52cea9c64e869a0cb2427403bcf9056c422d36c66292", [:mix], [{:dataloader, "~> 1.0.0", [hex: :dataloader, repo: "hexpm", optional: true]}, {:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:nimble_parsec, "~> 0.5 or ~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "41e79ed4bffbab4986493ff4120c948d59871fd08ad5e31195129ce3c01aad58"},
   "absinthe_phoenix": {:hex, :absinthe_phoenix, "2.0.0", "01c6a90af0ca12ee08d0fb93e23f9890d75bb6d3027f49ee4383bc03058ef5c3", [:mix], [{:absinthe, "~> 1.5.0", [hex: :absinthe, repo: "hexpm", optional: false]}, {:absinthe_plug, "~> 1.5.0", [hex: :absinthe_plug, repo: "hexpm", optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.5", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.13", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}], "hexpm", "7ffbfe9fb82a14cafb78885cc2cef4f9d454bbbe2c95eec12b5463f5a20d1020"},
-  "absinthe_plug": {:hex, :absinthe_plug, "1.5.0", "018ef544cf577339018d1f482404b4bed762e1b530c78be9de4bbb88a6f3a805", [:mix], [{:absinthe, "~> 1.5.0", [hex: :absinthe, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.2 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "4c160f4ce9a1233a4219a42de946e4e05d0e8733537cd5d8d20e7d4ef8d4b7c7"},
+  "absinthe_plug": {:git, "https://github.com/blockscout/absinthe_plug.git", "c435d43f316769e1beee1dbe500b623124c96785", [tag: "1.5.3"]},
   "absinthe_relay": {:hex, :absinthe_relay, "1.5.0", "df4bc8891aa9d28dca31569d14c86c300a8c378a54fbc6e2ae9a45e5a3aa01fe", [:mix], [{:absinthe, "~> 1.5.0", [hex: :absinthe, repo: "hexpm", optional: false]}, {:ecto, "~> 2.0 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: true]}], "hexpm", "173cc44ccbf77c98cb4d2f05847b4c66f9ce2f436db16403c95e062b252b6081"},
   "accept": {:hex, :accept, "0.3.5", "b33b127abca7cc948bbe6caa4c263369abf1347cfa9d8e699c6d214660f10cd1", [:rebar3], [], "hexpm", "11b18c220bcc2eab63b5470c038ef10eb6783bcb1fcdb11aa4137defa5ac1bb8"},
   "bcrypt_elixir": {:hex, :bcrypt_elixir, "1.1.1", "6b5560e47a02196ce5f0ab3f1d8265db79a23868c137e973b27afef928ed8006", [:make, :mix], [{:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm", "10f658be786bd2daaadcd45cc5b598da01d5bbc313da4d0e3efb2d6a511d896d"},