17-Year-Old Weakness in Firefox Let HTML File Steal Other Files From DeviceThe Hacker News·Jul 3, 15:54 UTC · Jul 3, 2019Exploit / PoC in the wild60
Mozilla plans to ban Firefox Extensions containing obfuscated codeSecurity Affairs·May 4, 10:57 UTC · May 4, 2019Vulnerability55
Firefox Lockbox app aims to reduce password management hassles for Android usersCyberScoop·Mar 26, 17:25 UTC · Mar 26, 2019Data breach in the wild60
Mozilla plugs critical Firefox zero-day used in targeted attacksHelp Net Security·Jun 21, 12:02 UTC · Jun 21, 2019Exploit / PoC in the wildCVE-2019-11707CVE-2019-1170860
Firefox Quantum: Security and privacy improvementsHelp Net Security·May 28, 10:05 UTC · May 28, 2020Vulnerability55
Firefox is adding 'Have I Been Pwned' alertsCyberScoop·Jun 26, 13:40 UTC · Jun 26, 2018Data breach in the wild60
Actively exploited Firefox, Tor Browser 0-day patched, update now!Help Net Security·Dec 1, 00:00 UTC · Dec 1, 2016Vulnerability in the wildCVE-2016-907960
Mozilla, CISA urge users to patch Firefox security flawThe Record·Sep 14, 20:46 UTC · Sep 14, 2023Vulnerability in the wildCVE-2023-4863CVE-2023-4106460
Mozilla fixes Firefox zero-days exploited in the wild (CVE-2022-26485, CVE-2022-26486)Help Net Security·Mar 7, 00:00 UTC · Mar 7, 2022Exploit / PoC in the wildCVE-2022-26485CVE-2022-2648660
0-day attack on Firefox stole sensitive data and passwordSecurity Affairs·Aug 8, 07:44 UTC · Aug 8, 2015Exploit / PoC in the wildCVE-2015-449560
Mozilla plugs critical and easily exploitable flaw in FirefoxHelp Net Security·Jan 31, 00:00 UTC · Jan 31, 2018VulnerabilityCVE-2018-512460
Firefox Zero-Day Exploit to Unmask Tor Users Released OnlineThe Hacker News·Nov 30, 08:49 UTC · Nov 30, 2016Exploit / PoC in the wild60
Firefox Browser vulnerable to Man-in-theThe Hacker News·Sep 19, 10:44 UTC · Sep 19, 2016Vulnerability55
UPDATE Firefox and Tor to Patch Critical ZeroThe Hacker News·Dec 1, 08:32 UTC · Dec 1, 2016Vulnerability in the wildCVE-2016-907960
Firefox 0-day exploited in the wild to unmask Tor usersHelp Net Security·Jun 26, 21:24 UTC · Jun 26, 2018Exploit / PoC in the wild60
Recently-patched Firefox bug exploited against Tor browser usersThe Record·Oct 14, 14:14 UTC · Oct 14, 2024Vulnerability in the wildCVE-2024-968060
⚡ Weekly Recap: IoT Exploits, Wallet Breaches, Rogue Extensions, AI Abuse & MoreThe Hacker News·Jan 5, 12:56 UTC · Jan 5, 2026VulnerabilityCVE-2025-55182CVE-2025-13915CVE-2025-52691+7 CVEs60
Firefox 76 delivers new password security features and security fixesHelp Net Security·May 7, 00:00 UTC · May 7, 2020Data breachCVE-2020-12387CVE-2020-1238860
Week in review: Notepad++ supply chain attack details and targets, Patch Tuesday forecastHelp Net Security·Feb 8, 00:00 UTC · Feb 8, 2026Vulnerability in the wildCVE-2026-21509CVE-2025-22225CVE-2026-2442360
The code of a Firefox Zero-Day Exploit used to unmask Tor Users is onlineSecurity Affairs·Nov 30, 12:38 UTC · Nov 30, 2016Exploit / PoC in the wild60
Critical RCE Vulnerability Found in Cisco WebEx Extensions, Again — Patch Now!The Hacker News·Jul 17, 17:30 UTC · Jul 17, 2017VulnerabilityCVE-2017-675360
Mozilla patches actively exploited Firefox zero-dayHelp Net Security·Jan 9, 00:00 UTC · Jan 9, 2020Exploit / PoC in the wildCVE-2019-17026CVE-2019-11707CVE-2019-1170860
Mozilla will block Firefox add-ons that contain obfuscated codeHelp Net Security·May 6, 05:21 UTC · May 6, 2019Vulnerability55
Firefox 67.0.4 Released — Mozilla Patches Second 0The Hacker News·Jun 21, 17:47 UTC · Jun 21, 2019Vulnerability in the wildCVE-2019-11708CVE-2019-1170760
Tails OS Users Advised Not to Use Tor Browser Until Critical Firefox Bugs are PatchedThe Hacker News·May 26, 09:08 UTC · May 26, 2022VulnerabilityCVE-2022-1802CVE-2022-152960
Tor Project fixed TorMoil, a critical Tor Browser flaw that can leak users IP AddressSecurity Affairs·Nov 4, 09:33 UTC · Nov 4, 2017Exploit / PoC in the wild60
Patch Tuesday, September 2019 EditionKrebs on Security·Sep 10, 20:35 UTC · Sep 10, 2019Vulnerability in the wildCVE-2019-1214CVE-2019-121560
Microsoft Patch Tuesday, May 2018 EditionKrebs on Security·May 8, 21:36 UTC · May 8, 2018VulnerabilityCVE-2018-817460
Adobe, Microsoft Push Critical Security FixesKrebs on Security·Apr 11, 01:10 UTC · Apr 11, 2018Vulnerability55
Flash, Windows Users: It’s Time to PatchKrebs on Security·Mar 15, 00:00 UTC · Mar 15, 2018VulnerabilityCVE-2018-0940CVE-2018-080860
Microsoft Patch Tuesday, February 2018 EditionKrebs on Security·Feb 15, 00:00 UTC · Feb 15, 2018Vulnerability55
Firefox 51 starts flagging HTTP login pages as insecureHelp Net Security·Jan 25, 00:00 UTC · Jan 25, 2017Vulnerability55
Update Your Firefox Browser to Fix a Critical Remotely Exploitable FlawThe Hacker News·Jan 31, 14:19 UTC · Jan 31, 2018VulnerabilityCVE-2018-512460
For the second time in the year, experts found a flaw in Cisco WebEx ExtensionSecurity Affairs·Jul 17, 20:23 UTC · Jul 17, 2017VulnerabilityCVE-2017-675360
Warning: Critical Tor Browser Vulnerability Leaks Users’ Real IP Address—Update NowThe Hacker News·Nov 4, 08:16 UTC · Nov 4, 2017Vulnerability in the wild60
Week in review: Avast breach, deepfakes, VisibleV8 monitors JavaScript in the wildHelp Net Security·Oct 27, 00:00 UTC · Oct 27, 2019Data breach60
Week in review: Citrix bug under attack, Windows 7 ransomware risk, ATT&CK for ICSHelp Net Security·Jan 12, 00:00 UTC · Jan 12, 2020Ransomware in the wildCVE-2019-19781CVE-2019-17026CVE-2019-221560
With Firefox 50, Mozilla plugs many security holesHelp Net Security·Nov 16, 00:00 UTC · Nov 16, 2016Industry55
Microsoft Patch Tuesday, June 2019 EditionKrebs on Security·Jun 25, 01:36 UTC · Jun 25, 2019VulnerabilityCVE-2019-1064CVE-2019-1069CVE-2019-1053+3 CVEs60