VulnerabilityDeferred
CVE-2026-77166
By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items.
LOW 2.4EPSS 0.28%
Does this matter?
Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 2.4 LOWCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
- EPSS
- 0.28% probability · 21th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-840
- Source
- support@hackerone.com
EPSS moved from 0.2% on 22 September 2026 to 0.3% on 26 October 2026.
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.