CVE-2020-26287

Summary (CVE-2020-26287) : HedgeDoc prior to version 1.7.1 is vulnerable to cross-site scripting through injection of arbitrary [removed] tags in notes created via mermaid diagrams. The underlying issue stems from a permissive content security policy that allowed loading scripts from certain orig...

Measuring & Improving Core Web Vitals

Google recently announced a proposed update to its search ranking algorithm: the Page Experience Update. This change, which launches in 2021, includes more performance signals in the ranking algorithm. A subtle but important feature of the update is that AMP will no longer be a requirement for...

AdRotate < 5.8.4 - Authenticated SQL Injection

Authenticated SQL injection in the AdRotate 5.8.3.1 exists via param "id". However, this requires an admin privileged user. NOTE: The plugin author mistook this SQLi bug for XSS but the remedy remains OK. Param "id" is vulneable to SQL Injeciton. Example 1:...

AdRotate < 5.8.4 - Authenticated SQL Injection

Authenticated SQL injection in the AdRotate 5.8.3.1 exists via param "id". However, this requires an admin privileged user. NOTE: The plugin author mistook this SQLi bug for XSS but the remedy remains OK. PoC Param "id" is vulneable to SQL Injeciton. Example 1:...

CVE-2019-12698 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN CPU Denial of Service Vulnerability

A vulnerability in the WebVPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load f...

PT-2019-3822 · Cisco · Cisco Ftd +1

Name of the Vulnerable Software and Affected Versions: Cisco Adaptive Security Appliance ASA Software affected versions not specified Cisco Firepower Threat Defense FTD Software affected versions not specified Description: The issue is related to the WebVPN feature of the software, which is...

WebKit - UXSS Using JavaScript: URI and Synchronous Page Loads Exploit

VULNERABILITY DETAILS void DocumentWriter::replaceDocumentconst String& source, Document ownerDocument ... beginmframe-document-url, true, ownerDocument; // 1 // begin might fire an unload event, which will result in a situation where no new document has been attached, // and the old document has...

UBUNTU-CVE-2019-6130

Artifex MuPDF 1.14.0 has a SEGV in the function fzloadpage of the fitz/document.c file, as demonstrated by mutool. This is related to page-number mishandling in cbz/mucbz.c, cbz/muimg.c, and svg/svg-doc.c...

Security clean up /plugins/servlet/Wallboard.old 200 response

A low risk Path-Based Vulnerability exists at /plugins/servlet/Wallboard.old. Stylesheets and basic html page load for page that should not exist/deprecated...

iOS 12 adoption and performance - what it means for your business's app

On September 17th, Apple released iOS 12. And while many innovative new features were announced, the very first feature listed in the release notes was "Performance." Earlier this year, Apple was heavily criticized for throttling CPU speeds on mobile devices, which drastically affected their...

It will take more than web pages that load faster to boost holiday conversion

When designing websites to meet peak traffic demands, it is vital to look beyond basic metrics such as page load speed. Providing visual content optimized for both desktop and mobile devices, and combating security threats will help you drive traffic and improve conversion rates during the holida...

Experiment: Improving Page Load Times with Script Streaming

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CVE-2016-5298

A mechanism where disruption of the loading of a new web page can cause the previous page's favicon and SSL indicator to not be reset when the new page is loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox 50...

CVE-2017-5466

If a page is loaded from an original site through a hyperlink and contains a redirect to a "data:text/html" URL, triggering a reload will run the reloaded "data:text/html" page with its origin set incorrectly. This allows for a cross-site scripting XSS attack. This vulnerability affects Thunderbi...

The Recipe for Web Performance Starts with the Right Ingredients: Page Construction Metrics

You can't manage what you can't measure. As devices grow in capacity and innovations allow us to do more with web apps, the complexity of our pages has grown, too. It becomes a balancing act to increase functionality while maintaining a performant and responsive site. Just like a great recipe, to...

Telegraph delivers better experience with Image Manager

The Telegraph Media Group TMG is a multi-media news publisher and its titles include The Daily Telegraph, The Sunday Telegraph and The Telegraph website. Today, its site serves more than 380 million pages to over 84 million unique visitors every month across the globe, featuring on average about...

HTTP/2 push is tougher than I thought

"HTTP/2 push will solve that" is something I've heard a lot when it comes to page load performance problems, but I didn't know much about it, so I decided to dig in. HTTP/2 push is more complicated and low-level than I initially thought, but what really caught me off-guard is how inconsistent it ...

Microsoft Edge Security Restriction Bypass Vulnerability (CNVD-2017-05760)

Microsoft Edge is the web browser built into the Windows 10 version. A remote security bypass vulnerability exists in the implementation of Edge Content Security Policy CSP when it fails to properly validate certain documents, which can be exploited by an attacker to trick a user into loading a...

Apple WebKit / Safari 10.0.3 (12602.4.8) - Synchronous Page Load Universal Cross-Site Scripting

URL scriptURL; URL url; if protocolIsJavaScripturlString scriptURL = completeURLurlString; // completeURL encodes the URL. url = blankURL; else url = completeURLurlString; if shouldConvertInvalidURLsToBlank && !url.isValid url = blankURL; Frame frame = loadOrRedirectSubframeownerElement, url,...

WebKit Synchronous Page Load UXSS

WebKit: UXSS via a synchronous page load CVE-2017-2480 Here's a snippet of the method SubframeLoader::requestFrame which is invoked when the |src| of an iframe object is changed. bool SubframeLoader::requestFrameHTMLFrameOwnerElement& ownerElement, const String& urlString, const AtomicString&...