CVE-2026-71555

MediumCVSS 4.1/10Last modified Oct 24, 2026

Description

PILOS (Platform for Interactive Live-Online Seminars) is a frontend for BigBlueButton. From 2.1.0 until 4.14.1, PILOS does not send a Cross-Origin-Opener-Policy response header, so pages opened by PILOS via a link that opens a new browsing context (e.g., target="_blank") retain a window.opener reference back to the originating PILOS tab. A malicious destination page reached this way can use window.opener to navigate or manipulate the original PILOS tab, a technique known as reverse tabnabbing, potentially redirecting an authenticated user to a phishing page that mimics PILOS. This issue is fixed in version 4.14.1.

Metrics

CVSS 3.1 4.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 6, 2026
Last modified
Oct 24, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-715567.1go-git is an extensible git implementation library written in pure Go. Prior to 5.19.2 and 6.0.0-alpha.5, worktree operations (including cheCVE-2026-715576.3go-git is an extensible git implementation library written in pure Go. Prior to 5.19.2 and 6.0.0-alpha.5, reference names are not sanitized CVE-2026-715589.8Heap type confusion vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0.14.0 before 1.5.0.CVE-2026-715597.5Deserialization of Untrusted Data vulnerability in the Go implementation of Apache Fory allows an attacker to cause a denial of service by sCVE-2026-71569.8A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi oCVE-2026-715609.1Out-of-bounds Read vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0.14.0 before 1.5.0 wCVE-2026-715626.3Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP inets httpc allows a malicious or compromised HTTP server to CVE-2026-715634.3Missing Authorization vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. An authorization flaw in the MCP CVE-2026-715647.8Substance3D - Designer is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of tCVE-2026-715655.4Adobe Experience Manager is affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this issue by manipuCVE-2026-715669.3FakeFish handles incoming credentials by passing them down to scripts. This works for real hardware because in the end it's up to the BMC CVE-2026-715677.7In openshift-metal3/fakefish there is a repeated pattern in some of the scripts where shell variables are injected without quoting them eit
CVE-2026-71555: Medium severity, CVSS 4.1 | Vulnix