CVE-2026-39376 FastFeedParser has an infinite redirect loop DoS via meta-refresh chain

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

CVE-2026-39376

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

FastFeedParser 安全漏洞

FastFeedParser is a high-performance Python library for parsing RSS and Atom feeds, open-sourced by Kagi Search. Versions of FastFeedParser prior to 0.5.10 contained a security vulnerability. This vulnerability stemmed from the lack of a recursive depth limit when parsing HTML meta refresh tags,...

PT-2026-31006

FastFeedParser is a high performance RSS, Atom and RDF parser. Prior to 0.5.10, when parse fetches a URL that returns an HTML page containing a tag, it recursively calls itself with the redirect URL — with no depth limit, no visited-URL deduplication, and no redirect count cap. An...

SUSE CVE-2026-27142

Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actio...

AZL-79640 CVE-2026-27142 affecting package python-tensorboard 2.16.2-6

Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actio...

CVE-2026-27142

Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actio...

Mozilla Firefox ESR < 60.2

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 60.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2018-21 advisory. - A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by...

CVE-2025-5983 Meta Tag Manager < 3.3 - Contributor+ Open Redirect

The Meta Tag Manager WordPress plugin before 3.3 does not restrict which roles can create http-equiv refresh meta tags...

WordPress plugin Meta Tag Manager 安全漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. WordPress is a blogging platform developed using the PHP language, with the ability to host personal blog sites on PHP and MySQL based servers.WordPress...

EUVD-2002-2286

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2018-18499

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http- equiv=refresh on a page to cause a redirection to another...

PT-2023-9194 · Unknown · Asp.Net Zero

Name of the Vulnerable Software and Affected Versions: Asp.Net Zero versions prior to 12.3.0 Description: The issue is related to an open redirect through HTML injection in user messages, allowing remote attackers to redirect targeted victims to any URL via the '' in the WebSocket messages. This...

London Councils & pirate books. Google dorking for subdomain takeovers

TL;DR Google dorks found me an exploited DigitalOcean subdomain takeover on London Councils’ .gov.uk domain It used a meta refresh to redirect to a site hosting unprovenanced PDFs London Councils had a security.txt file which made disclosure a doddle Their security team were awesome and fixed it...

SUSE CVE-2010-3775

Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle certain redirections involving data: URLs and Java LiveConnect scripts, which allows remote attackers to start processes, read arbitrary local files, and establish network connections via...

SUSE CVE-2018-18499

A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv="refresh" on a page to cause a redirection to another site using performance.getEntries. This is a same-origin policy violation and could allow for data theft. This vulnerability affects...

SUSE CVE-2022-3033

If a Thunderbird user replied to a crafted HTML email containing a meta tag, with the meta tag having the http-equiv="refresh" attribute, and the content attribute specifying an URL, then Thunderbird started a network request to that URL, regardless of the configuration to block remote content. I...

DEBIAN-CVE-2022-3033

If a Thunderbird user replied to a crafted HTML email containing a meta tag, with the meta tag having the http-equiv="refresh" attribute, and the content attribute specifying an URL, then Thunderbird started a network request to that URL, regardless of the configuration to block remote content. I...

Oracle Linux 8 : thunderbird (ELSA-2022-6708)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2022-6708 advisory. 102.3.0-3.0.1 - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js 102.3.0-3 - Update to 102.3.0 build1 Tenable has...

Mozilla: Leaking of sensitive information when composing a response to an HTML email with a META refresh tag

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a Thunderbird user replying to a crafted HTML email containing a meta tag, with the meta tag having the http-equiv="refresh" attribute and the content attribute specifying an URL. Thunderbird started a...