CVE Catalog

CVE-2026-77166

LowCVSS 2.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.19%

9th percentile - higher than 9% of all known CVEs

Summary

The emoji field in the page emoji update endpoint does not properly validate user input. By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items.

Risk Assessment

An attacker can disrupt the user interface layout, hiding important sidebar items, which hampers operations and may lead to incorrect operator decisions.

Recommendation

Update the software to a version that fixes the emoji field validation and restrict input length and line breaks.

Related vulnerabilities

Original NVD description (English source)

The emoji field in the page emoji update endpoint does not properly validate user input. By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS