CVE-2021-47824

iDailyDiary 4.30 - Denial of Service (PoC)

CVSS 4.6 MEDIUMEPSS 0.3%CWE-1284

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.6EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

iDailyDiary 4.30 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the preferences tab name field. Attackers can paste a 2,000,000 character buffer into the default diary tab name to trigger an application crash.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected products

Splinterware · iDailyDiary

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References

https://www.exploit-db.com/exploits/49898 https://www.splinterware.com/index.html https://www.vulncheck.com/advisories/idailydiary-denial-of-service-poc