sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

Summary Commit 49d0bb7 introduced a regression in sanitize-html that bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option. Entity-encoded HTML inside these elements passes through the sanitizer as decoded, unescaped HTML, allowing injection of arbitrary...

Cross-site Scripting (XSS)

Overview sanitize-html is a library that allows you to clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis Affected versions of this package are vulnerable to Cross-site Scripting XSS in sanitizeHtml, when entity-encoded text is present...

CVE-2026-40186

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186 ApostropheCMS: sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

EUVD-2010-2311

Malware in sbrugna...

EUVD-2011-1135

Malware in sbrugna...

EUVD-2020-0702

Malware in sbrugna...

EUVD-2010-1782

Malware in sbrugna...

EUVD-2022-4734

Malicious code in bioql PyPI...

CVE-2018-6464

Simditor v2.3.11 allows XSS via crafted use of svg/onload=alert in a TEXTAREA element, as demonstrated by Firefox 54.0.1...

SUSE CVE-2019-11744

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

DEBIAN-CVE-2019-11744

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

Mozilla: XSS by breaking out of title and textarea elements using innerHTML

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

Mozilla: XSS by breaking out of title and textarea elements using innerHTML

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

Mozilla: XSS by breaking out of title and textarea elements using innerHTML

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

Mozilla: XSS by breaking out of title and textarea elements using innerHTML

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

Mozilla: XSS by breaking out of title and textarea elements using innerHTML

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

UBUNTU-CVE-2019-11744

Some HTML elements, such as title and textarea, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if...

CVE-2019-12970

XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA and RAWTEXT type elements, the built-in sanitization mechanism can be bypassed. Malicious script content from HTML e-mail can be executed within the application context via crafted use of...

Microsoft Internet Explorer 10 MSHTML CElement::GetPlainTextInScope Out-Of-Bounds Read

Throughout November, I plan to release details on vulnerabilities I found in web-browsers which I've not released before. This is the third entry in that series. The below information is also available on my blog at http://blog.skylined.nl/20161103001.html. There you can find a repro that trigger...