34 matches found
CVE-2026-8445
justhtml versions are preserved, so untrusted input that is safe in tohtml — including entity-decoded text e.g. script or text from RCDATA/RAWTEXT-parsed elements like , , , and — can be emitted as raw HTML in the Markdown output, enabling a sanitizer bypass and potential cross-site scripting whe...
EUVD-2026-64659
justhtml versions are preserved, so untrusted input that is safe in tohtml — including entity-decoded text e.g. script or text from RCDATA/RAWTEXT-parsed elements like , , , and — can be emitted as raw HTML in the Markdown output, enabling a sanitizer bypass and potential cross-site scripting whe...
CVE-2026-8445 justhtml before 1.12.0 Sanitizer Bypass via Markdown
justhtml versions are preserved, so untrusted input that is safe in tohtml — including entity-decoded text e.g. script or text from RCDATA/RAWTEXT-parsed elements like , , , and — can be emitted as raw HTML in the Markdown output, enabling a sanitizer bypass and potential cross-site scripting whe...
CVE-2026-8445 justhtml before 1.12.0 Sanitizer Bypass via Markdown
justhtml versions are preserved, so untrusted input that is safe in tohtml — including entity-decoded text e.g. script or text from RCDATA/RAWTEXT-parsed elements like , , , and — can be emitted as raw HTML in the Markdown output, enabling a sanitizer bypass and potential cross-site scripting whe...
PT-2026-79776
justhtml versions are preserved, so untrusted input that is safe in to html — including entity-decoded text e.g. script or text from RCDATA/RAWTEXT-parsed elements like , , , and — can be emitted as raw HTML in the Markdown output, enabling a sanitizer bypass and potential cross-site scripting wh...
CVE-2026-59711
CVE-2026-59711 affects the showdown library. A cross-site scripting vulnerability exists in metadata title handling when the completeHTMLDocument option is enabled; unescaped characters in markdown frontmatter metadata are placed into HTML title tags, allowing script execution in the rendered pa...
GHSA-3RCM-VJRC-P45J JustHTML has a Sanitizer Bypass (in Markdown)
Summary tomarkdown does not sufficiently escape text content that looks like HTML. As a result, untrusted input that is safe in tohtml can become raw HTML in Markdown output. This is not specific to tokenizer raw-text states like , , or , although those states can trigger the behavior. The root...
Lab-Reflected-XSS-into-attribute-with-angle-brackets-HTML-encoded
Reflected XSS - Attribute Injection A simple demonstration of...
CVE-2021-39186
GlobalNewFiles is a MediaWiki extension maintained by Miraheze. Prior to commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d, the username column of the GlobalNewFiles special page is vulnerable to a stored XSS. Commit number cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d contains a patch. As a...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
golang: html/template: improper sanitization of CSS values
A flaw was found in golang where angle brackets were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if...
PT-2023-3320 · Alt Linux +8 · Alt Linux +8
Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue is related to the handling of special characters in CSS contexts. Templates with multiple actions separated by a '/' character can lead to the...
SUSE CVE-2003-0899
Buffer overflow in defang in libhttpd.c for thttpd 2.21 to 2.23b1 allows remote attackers to execute arbitrary code via requests that contain '' characters, which trigger the overflow when the characters are expanded to "" and "" sequences...
GHSA-JFF5-55XJ-4JCQ Improper Neutralization of Input During Web Page Generation in Jenkins
jenkins before versions 2.44, 2.32.2 is vulnerable to a persisted cross-site scripting in search suggestions due to improperly escaping users with less-than and greater-than characters in their names SECURITY-388...