CVE-2026-44787 Discourse: Signup-time primary_group_id assignment grants whisperer access

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primarygroupid and gain whisper-group privileges without legitimate group membership on sites with whispersallowedgroups configured. This...

CVE-2026-44787

Discourse exposes a flaw in signup: before versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, a new user could set primary_group_id and gain whisper-group privileges when whispers_allowed_groups is configured. This is fixed in 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5. The CVSS 3.1 base score ...

CVE-2026-44787 Discourse: Signup-time primary_group_id assignment grants whisperer access

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primarygroupid and gain whisper-group privileges without legitimate group membership on sites with whispersallowedgroups configured. This...

PT-2026-56993

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.6.0 Discourse versions prior to 2026.5.1 Discourse versions prior to 2026.4.2 Discourse versions prior to 2026.1.5 Description The signup flow allows newly registered users to set the primary group id variable...

PT-2026-42618

Summary Shared-base sessions were granted the same base-member capabilities as authenticated viewers. Using only the shared-base UUID xc-shared-base-id, an attacker could enumerate base members and invite an arbitrary email into the base as a real member. The invited user could then redeem the...

CVE-2026-41932

Vvveb before 1.0.8.3 contains a stored cross-site scripting vulnerability in the customer signup flow where the Signup::addUser controller copies raw POST username values into the displayname field before sanitization occurs. Attackers can submit HTML and script markup in the username field durin...

CVE-2026-41932

Vvveb before 1.0.8.3 contains a stored cross-site scripting vulnerability in the customer signup flow where the Signup::addUser controller copies raw POST username values into the displayname field before sanitization occurs. Attackers can submit HTML and script markup in the username field durin...

EUVD-2026-30296

Vvveb before 1.0.8.3 contains a stored cross-site scripting vulnerability in the customer signup flow where the Signup::addUser controller copies raw POST username values into the displayname field before sanitization occurs. Attackers can submit HTML and script markup in the username field durin...

CVE-2026-41932 Vvveb < 1.0.8.3 Stored XSS via Signup Controller

Vvveb before 1.0.8.3 contains a stored cross-site scripting vulnerability in the customer signup flow where the Signup::addUser controller copies raw POST username values into the displayname field before sanitization occurs. Attackers can submit HTML and script markup in the username field durin...

CVE-2026-41932 Vvveb < 1.0.8.3 Stored XSS via Signup Controller

Vvveb before 1.0.8.3 contains a stored cross-site scripting vulnerability in the customer signup flow where the Signup::addUser controller copies raw POST username values into the displayname field before sanitization occurs. Attackers can submit HTML and script markup in the username field durin...

PT-2026-40941

Vvveb before 1.0.8.3 contains a stored cross-site scripting vulnerability in the customer signup flow where the Signup::addUser controller copies raw POST username values into the display name field before sanitization occurs. Attackers can submit HTML and script markup in the username field duri...

lemlist: Authentication Token Theft via Open Redirect in Callback URL Parameter

A vulnerability was identified in the email signup flow of a website that enabled authentication token theft through manipulation of the callback URL parameter. The vulnerability occurred when an attacker modified the callbackUrl parameter during the email signup process to point to an...