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NVD description
A security flaw has been discovered in CesiumGS CesiumJS up to 1.137.0. Affected by this issue is some unknown functionality of the file Apps/Sandcastle/standalone.html. The manipulation of the argument c results in cross site scripting. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The presence of this vulnerability remains uncertain at this time. The vendor was contacted early about this disclosure but did not respond in any way. According to CVE-2023-48094, "the vendor's position is that Apps/Sandcastle/standalone.html is part of the CesiumGS/cesium GitHub repository, but is demo code that is not part of the CesiumJS JavaScript library product."
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
⚡ New CVE Alert: CVE-2026-3990 📊 Severity: 4.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-3990 #CVE-2026-3990 #CVE #Medium #CyberSecurity #InfoSec https://t.co/5Lw9yboOYE
Post summary
The tweet merely announces CVE-2026-3990, providing basic severity information and a link to the NVD entry, with no additional technical or operational details.
CVE-2026-3990 A security flaw has been discovered in CesiumGS CesiumJS up to 1.137.0. Affected by this issue is some unknown functionality of the file Apps/Sandcastle/standalone.html… https://www.cve.org/CVERecord?id=CVE-2026-3990
Post summary
A new CVE-2026-3990 is disclosed for CesiumJS, indicating an affected file but providing no further technical or exploitation details.