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Github Security Blog
Github Security Blog
•added 2026/10/20 6:15 p.m.•4 views

ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs

Summary CVE-2026-53606 expanded allowedSchemesAppliedToAttributes so named URL attributes action, formaction, data, poster, background, later ping, xlink:href, … go through naughtyHref. A URL nested inside meta content http-equiv=refresh is not an attribute name on that list, so the embedded...

5.4CVSS6.6AI score0.00263EPSS
SaveExploits0References5Affected Software1
Patchstack
Patchstack
•added 2026/10/20 6:15 p.m.•4 views

NPM: ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs

NPM: ApostropheCMS: Incomplete CVE-2026-53606: meta http-equiv=refresh content still ships javascript: / data: URLs vulnerability discovered by ? in WordPress Npm sanitize-html versions 2.18.0...

5.4CVSS6.6AI score0.00263EPSS
SaveExploits0References5Affected Software1
osv_ghsa
osv_ghsa
•added 2026/10/20 6:15 p.m.•8 views

GHSA-CV27-6WVH-8X7J ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs

Summary CVE-2026-53606 expanded allowedSchemesAppliedToAttributes so named URL attributes action, formaction, data, poster, background, later ping, xlink:href, … go through naughtyHref. A URL nested inside meta content http-equiv=refresh is not an attribute name on that list, so the embedded...

5.4CVSS6AI score0.00263EPSS
SaveExploits0References5
Cvelist
Cvelist
•added 2026/10/20 5:11 p.m.•14 views

CVE-2026-113661 ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Prior to sanitize-html 2.18.0, a non-default configuration that allows meta refresh elements and their http-equiv and content attributes can retain unsafe script...

5.4CVSS0.00263EPSS
SaveExploits0References4
CVE
CVE
•added 2026/10/20 5:11 p.m.•11 views

CVE-2026-113661

The ApostropheCMS content management system is affected by a vulnerability in the sanitize-html library. Prior to version 2.18.0 , a non-default configuration allowing meta refresh elements could retain unsafe javascript: or data: URLs within the content attribute. This flaw can lead to unsafe sc...

5.4CVSS5.9AI score0.00263EPSS
SaveExploits0References4
NVD
NVD
•added 2026/10/15 2:17 p.m.•15 views

CVE-2026-93649

In the Eclipse Adoptium website adoptium.net, in every deployment built from commit 0b24ea1 2025-06-18 up to the fix in commit cbb53cf 2026-09-24, the post-download page /locale/download takes a download URL from the "link" query parameter and automatically navigates to it with a meta...

7.5CVSS0.00156EPSS
SaveExploits0References3
Cvelist
Cvelist
•added 2026/10/15 1:28 p.m.•46 views

CVE-2026-93649

In the Eclipse Adoptium website adoptium.net, in every deployment built from commit 0b24ea1 2025-06-18 up to the fix in commit cbb53cf 2026-09-24, the post-download page /locale/download takes a download URL from the "link" query parameter and automatically navigates to it with a meta...

0.00156EPSS
SaveExploits0References3
CVE
CVE
•added 2026/10/15 1:28 p.m.•23 views

CVE-2026-93649

The Eclipse Adoptium website (adoptium.net) is vulnerable to an Open Redirect and Download of Code Without Integrity Check in deployments built from commit 0b24ea1 (2025-06-18) through cbb53cf (2026-09-24). The issue resides in the /[locale]/download post-download page, which accepts a URL via th...

5.7AI score0.00156EPSS
SaveExploits0References3
osv_cve
osv_cve
•added 2026/10/15 1:28 p.m.•3 views

CVE-2026-93649

In the Eclipse Adoptium website adoptium.net, in every deployment built from commit 0b24ea1 2025-06-18 up to the fix in commit cbb53cf 2026-09-24, the post-download page /locale/download takes a download URL from the "link" query parameter and automatically navigates to it with a meta...

7.5CVSS5.8AI score
SaveExploits0References5
RedHat Linux
RedHat Linux
•added 2026/04/09 11:00 a.m.•37 views

html/template: URLs in meta content attribute actions are not escaped in html/template

An input escaping flaw has been discovered in the golang html/template module. 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...

6.1CVSS6.8AI score0.00346EPSS
SaveExploits0References8
osv_azl
osv_azl
•added 2026/03/06 10:16 p.m.•28 views

AZL-79637 CVE-2026-27142 affecting package python-tensorboard 2.11.0-3

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...

6.1CVSS6.8AI score0.00346EPSS
SaveExploits0References1
osv_azl
osv_azl
•added 2026/03/06 10:16 p.m.•15 views

AZL-98571 CVE-2026-27142 affecting package golang 1.27.1-1

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...

6.1CVSS6.8AI score0.00346EPSS
SaveExploits0References1
osv_azl
osv_azl
•added 2026/03/06 10:16 p.m.•28 views

AZL-79634 CVE-2026-27142 affecting package msft-golang 1.24.13-1

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...

6.1CVSS6.8AI score0.00346EPSS
SaveExploits0References1
NVD
NVD
•added 2026/03/06 10:16 p.m.•19 views

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...

6.1CVSS0.00346EPSS
SaveExploits0References4
Debian CVE
Debian CVE
•added 2026/03/06 9:28 p.m.•23 views

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...

6.1CVSS6.8AI score0.00346EPSS
SaveExploits0
osv_go
osv_go
•added 2026/03/06 9:03 p.m.•16 views

GO-2026-4603 URLs in meta content attribute actions are not escaped in html/template

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...

6.1CVSS6.8AI score0.00346EPSS
SaveExploits0References3
RedhatCVE
RedhatCVE
•added 2025/10/23 6:19 a.m.•37 views

CVE-2025-5983

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

6.5CVSS5.8AI score0.0026EPSS
SaveExploits0References1
EUVD
EUVD
•added 2025/10/22 6:31 a.m.•26 views

EUVD-2025-35355

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

6.5CVSS5.8AI score0.0026EPSS
SaveExploits0References3
CVE
CVE
•added 2025/10/22 6:00 a.m.•63 views

CVE-2025-5983

The Meta Tag Manager WordPress plugin versions prior to 3.3 contains a vulnerability where it does not restrict which user roles are permitted to create http-equiv refresh meta tags . This lack of role-based restriction allows unauthorized users, specifically those with Contributor+ privileges, t...

6.5CVSS5.8AI score0.0026EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
•added 2025/10/22 6:00 a.m.•15 views

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...

5.8AI score0.0026EPSS
SaveExploits0References1
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