diff --git a/tools/stable_backport_data/weboob_exceptions.py b/tools/stable_backport_data/weboob_exceptions.py
index 0db9fb13f2e2e63bd036bbbf35c683cd376a7095..e1912dfbf13e2acd7d6a676b5765d962a734925f 100644
--- a/tools/stable_backport_data/weboob_exceptions.py
+++ b/tools/stable_backport_data/weboob_exceptions.py
@@ -7,4 +7,40 @@ class AuthMethodNotImplemented(Exception):
 
 
 class CaptchaQuestion(Exception):
-    pass
+    """Site requires solving a CAPTCHA (base class)"""
+    # could be improved to pass the name of the backendconfig key
+
+    def __init__(self, type=None, **kwargs):
+        super(CaptchaQuestion, self).__init__("The site requires solving a captcha")
+        self.type = type
+        for key, value in kwargs.items():
+            setattr(self, key, value)
+
+
+class ImageCaptchaQuestion(CaptchaQuestion):
+    type = 'image_captcha'
+
+    image_data = None
+
+    def __init__(self, image_data):
+        super(ImageCaptchaQuestion, self).__init__(self.type, image_data=image_data)
+
+
+class NocaptchaQuestion(CaptchaQuestion):
+    type = 'g_recaptcha'
+
+    website_key = None
+    website_url = None
+
+    def __init__(self, website_key, website_url):
+        super(NocaptchaQuestion, self).__init__(self.type, website_key=website_key, website_url=website_url)
+
+
+class RecaptchaQuestion(CaptchaQuestion):
+    type = 'g_recaptcha'
+
+    website_key = None
+    website_url = None
+
+    def __init__(self, website_key, website_url):
+        super(RecaptchaQuestion, self).__init__(self.type, website_key=website_key, website_url=website_url)