0x40k<p>Whoa, talk about déjà vu! Seems like Firefox is playing catch-up right after Chrome dropped a fix for a sandbox escape. 🤯 Keep an eye out for CVE-2025-2857.</p><p>So, what's the deal? In short, this nasty bug could let an attacker break right out of the browser's protective sandbox. And *that* means they could potentially gain full access to your system. Yeah, pretty scary stuff. 😱</p><p>If you're running Firefox on Windows, heads up! This affects versions 136.0.4, ESR 115.21.1, and ESR 128.8.1. This whole situation feels familiar because Chrome *just* patched CVE-2025-2783, a similar issue that attackers were already actively exploiting out in the wild!</p><p>Make no mistake, sandbox escapes are a huge deal. As a pentester, I can tell you: vulnerabilities like this get weaponized *fast*. Don't wait around.</p><p>Seriously, update your Firefox ASAP! Trust me, you don't want to deal with the fallout if someone exploits this. It could get costly, fast.</p><p>Ever seen a browser exploit do its thing live? Wild, right? Drop your stories below!</p><p><a href="https://infosec.exchange/tags/infosec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>infosec</span></a> <a href="https://infosec.exchange/tags/pentesting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pentesting</span></a> <a href="https://infosec.exchange/tags/firefox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>firefox</span></a> <a href="https://infosec.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cybersecurity</span></a> <a href="https://infosec.exchange/tags/updateNOW" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>updateNOW</span></a></p>