Tag: untrusted content
-
Bulletins: Vulnerability Summary for the Week of August 25, 2025
Source URL: https://www.cisa.gov/news-events/bulletins/sb25-245 Source: Bulletins Title: Vulnerability Summary for the Week of August 25, 2025 Feedly Summary: High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info 1000projects–Online Project Report Submission and Evaluation System A vulnerability has been found in 1000projects Online Project Report Submission and Evaluation System 1.0. This issue affects some unknown…
-
Simon Willison’s Weblog: Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet
Source URL: https://simonwillison.net/2025/Aug/25/agentic-browser-security/#atom-everything Source: Simon Willison’s Weblog Title: Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet Feedly Summary: Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet The security team from Brave took a look at Comet, the LLM-powered “agentic browser" extension from Perplexity, and unsurprisingly found security holes you can drive a truck…
-
Simon Willison’s Weblog: The Summer of Johann: prompt injections as far as the eye can see
Source URL: https://simonwillison.net/2025/Aug/15/the-summer-of-johann/#atom-everything Source: Simon Willison’s Weblog Title: The Summer of Johann: prompt injections as far as the eye can see Feedly Summary: Independent AI researcher Johann Rehberger has had an absurdly busy August. Under the heading The Month of AI Bugs he has been publishing one report per day across an array of different…
-
Simon Willison’s Weblog: When a Jira Ticket Can Steal Your Secrets
Source URL: https://simonwillison.net/2025/Aug/9/when-a-jira-ticket-can-steal-your-secrets/ Source: Simon Willison’s Weblog Title: When a Jira Ticket Can Steal Your Secrets Feedly Summary: When a Jira Ticket Can Steal Your Secrets Zenity Labs describe a classic lethal trifecta attack, this time against Cursor, MCP, Jira and Zendesk. They also have a short video demonstrating the issue. Zendesk support emails are…
-
Simon Willison’s Weblog: My Lethal Trifecta talk at the Bay Area AI Security Meetup
Source URL: https://simonwillison.net/2025/Aug/9/bay-area-ai/#atom-everything Source: Simon Willison’s Weblog Title: My Lethal Trifecta talk at the Bay Area AI Security Meetup Feedly Summary: I gave a talk on Wednesday at the Bay Area AI Security Meetup about prompt injection, the lethal trifecta and the challenges of securing systems that use MCP. It wasn’t recorded but I’ve created…
-
Embrace The Red: Exfiltrating Your ChatGPT Chat History and Memories With Prompt Injection
Source URL: https://embracethered.com/blog/posts/2025/chatgpt-chat-history-data-exfiltration/ Source: Embrace The Red Title: Exfiltrating Your ChatGPT Chat History and Memories With Prompt Injection Feedly Summary: In this post we demonstrate how a bypass in OpenAI’s “safe URL” rendering feature allows ChatGPT to send personal information to a third-party server. This can be exploited by an adversary via a prompt injection…