Describe the bug
When

HTML tag appears in the prompt, semantic kernel is blocking the request.

To Reproduce

Sample code below.

import asyncio
from azure.identity import AzureCliCredential
from semantic_kernel import Kernel
from semantic_kernel.connectors.ai.open_ai import AzureChatCompletion
from semantic_kernel.connectors.ai.open_ai import AzureChatPromptExecutionSettings
from semantic_kernel.prompt_template import PromptTemplateConfig
from semantic_kernel.functions import KernelArguments

input_prompt = 'Translate following message from English language into the Spanish language - "<p>What is your name?</p>"'
input_prompt_1 = 'Translate following message from English language into the Spanish language - "What is your name?"'

async def main():
kernel = Kernel()
kernel.add_service(
AzureChatCompletion(
deployment_name=deployment,
endpoint=endpoint,
api_version=api_version,
credential=AzureCliCredential(),
)
)

execution_settings = AzureChatPromptExecutionSettings(
    max_completion_tokens=13107,
    temperature=1.0,
    top_p=1.0,
    frequency_penalty=0.0,
    presence_penalty=0.0,
)

prompt_template_config = PromptTemplateConfig(
    template=input_prompt_1,
    name="chat",
    template_format="semantic-kernel",
    execution_settings=execution_settings,
)

chat_function = kernel.add_function(
    function_name="chat",
    plugin_name="chatPlugin",
    prompt_template_config=prompt_template_config,
)

response = await kernel.invoke(chat_function)

print(response)

if name == "main":
asyncio.run(main())

Expected behavior
Spanish translation should show up.

When I use input_prompt, I am getting below response.
"It looks like your message is empty. Please provide the English text you would like me to translate into Spanish."

When I use input_prompt_1, I am seeing below response.

The translation of "What is your name?" into Spanish is:

¿Cuál es tu nombre?

Platform

• Language: Python
• Source: Semantic Kernel 1.39.4
• AI model: deployment = "gpt-4.1" , api_version = "2024-05-01-preview"
• IDE: VS Code
• OS: Windows

Additional context