CVE-2026-54743 Lemmy: Stored XSS via markdown image alt-text in lemmy-ui html5-embed

Lemmy is a link aggregator and forum for the fediverse. Prior to lemmy-ui 0.19.19-beta.1, LemmyNet/lemmy-ui renders Markdown in src/shared/markdown.ts for post bodies, comment bodies, private messages, and community and site sidebars through mdToHtml, which returns a raw html object that Inferno...

CVE-2026-75916

SiYuan through 3.7.3 contains a cross-site scripting vulnerability in the '' block-reference autocomplete hint popup. In genHintItemHTML app/src/protyle/hint/extend.ts, a candidate block's name, alias, and memo fields are concatenated into the popup's HTML without escaping. An attacker who can se...

The vulnerability of the Adobe Acrobat PDF browser extension for Google Chrome allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the Adobe Acrobat PDF browser extension for Google Chrome is related to the lack of measures taken to protect the structure of web pages. Exploiting this vulnerability can allow an attacker operating remotely to gain unauthorized access to protected information...

CVE-2026-52873 Streambert: Global CSP Removal in Wyzie Redeem Window Enables Unconstrained XSS in Electron Renderer

Streambert is a cross-platform Electron Desktop App to stream and download video content. From version 2.5.0 until version 2.6.0, the wyzie-open-redeem IPC handler in index.js creates the partition:wyzie-redeem Electron session and registers an onHeadersReceived hook that removes the...

CVE-2026-52873 Streambert: Global CSP Removal in Wyzie Redeem Window Enables Unconstrained XSS in Electron Renderer

Streambert is a cross-platform Electron Desktop App to stream and download video content. From version 2.5.0 until version 2.6.0, the wyzie-open-redeem IPC handler in index.js creates the partition:wyzie-redeem Electron session and registers an onHeadersReceived hook that removes the...

Froxlor: Stored XSS in DNS TXT Record Content Allows Customer-to-Admin Account Takeover

Summary A stored Cross-Site Scripting XSS vulnerability in Froxlor's DNS editor allows an authenticated user with DNS editor access customer role to inject arbitrary JavaScript into any administrator's browser session. When an administrator views the DNS configuration of an affected domain, the...

GHSA-43GM-9RR3-CX7G Froxlor: Stored XSS in DNS TXT Record Content Allows Customer-to-Admin Account Takeover

Summary A stored Cross-Site Scripting XSS vulnerability in Froxlor's DNS editor allows an authenticated user with DNS editor access customer role to inject arbitrary JavaScript into any administrator's browser session. When an administrator views the DNS configuration of an affected domain, the...

MeshCentral has unsanitized data fields

Description A rogue or compromised MeshAgent can inject arbitrary HTML/JavaScript via the osdesc OS description field in its coreinfo message. The server stores this value with zero HTML sanitization meshagent.js:1903 only checks typeof == 'string'. When an admin views the device details panel, t...

CVE-2026-52873: Improper Neutralization of Input During Web Page Generation

Streambert is a cross-platform Electron Desktop App to stream and download video content. From version 2.5.0 until version 2.6.0, the wyzie-open-redeem IPC handler in index.js creates the partition:wyzie-redeem Electron session and registers an onHeadersReceived hook that removes the...

PT-2026-78236

Name of the Vulnerable Software and Affected Versions Streambert versions 2.5.0 through 2.5.9 Description Streambert is a cross-platform Electron Desktop App used for streaming and downloading video content. The wyzie-open-redeem IPC handler in index.js creates a partition:wyzie-redeem Electron...

CVE-2026-55674

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an unauthenticated attacker could send a single request with a crafted colorschemeid or darkschemeid cookie to inject arbitrary HTML into a Discourse page. Because the cookie value was rendered...

CVE-2026-55674 Discourse: Cache poisoning/XSS via color scheme cookies

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an unauthenticated attacker could send a single request with a crafted colorschemeid or darkschemeid cookie to inject arbitrary HTML into a Discourse page. Because the cookie value was rendered...

EUVD-2026-60236

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an unauthenticated attacker could send a single request with a crafted colorschemeid or darkschemeid cookie to inject arbitrary HTML into a Discourse page. Because the cookie value was rendered...

CVE-2026-55674

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an unauthenticated attacker could send a single request with a crafted colorschemeid or darkschemeid cookie to inject arbitrary HTML into a Discourse page. Because the cookie value was rendered...

CVE-2026-55674 Discourse: Cache poisoning/XSS via color scheme cookies

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an unauthenticated attacker could send a single request with a crafted colorschemeid or darkschemeid cookie to inject arbitrary HTML into a Discourse page. Because the cookie value was rendered...

CVE-2026-55674

Discourse versions before 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0 render the unescaped color_scheme_id/dark_scheme_id cookie value into a color scheme tag, allowing an unauthenticated attacker to break out of the attribute, bypass Discourse's nonce-based CSP, and execute arbitrary JavaScript i...

BIT-DISCOURSE-2026-72727 Discourse: Stored XSS in the moderation review queue

Discourse is an open-source discussion platform. Prior to 026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, a low-privileged user could place crafted content in the moderation review queue that executed stored cross-site scripting when a moderator viewed it on a site with a modified or disabled default...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: webkit2gtk3 (UTSA-2026-101305)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101305 advisory. This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: mozjs78 (UTSA-2024-002119)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2024-002119 advisory. A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-100893)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100893 advisory. XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefo...