CVE-2024-52270: DropBox Sign · User Interface (UI) Misrepresentation of Critical Information
Affects DropBox SignSource CVE Database V5
Not known to be exploited · CVSS 8.2 High.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/AU:Y/U:RedExploitation evidence
Disclosed: evidence found.
CVE published 5 Dec 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DropBox(HelloSign)DropBox Sign | Affected
| Fixed in– |
AI-suggested
Until an official fix is available, users should exercise caution when printing documents from DropBox Sign and verify document authenticity through alternative means. Avoid printing documents from untrusted sources or use PDF flattening tools before printing to mitigate spoofing risks.
Description
User Interface (UI) Misrepresentation of Critical Information vulnerability in DropBox Sign(HelloSign) allows Content Spoofing. Displayed version does not show the layer flattened version, once download, If printed (e.g. via Google Chrome -> Examine the print preview): Will render the vulnerability only, not all layers are flattened. This issue affects DropBox Sign(HelloSign): through 2024-12-04.
References
- vulsec.org/advisories (opens in a new tab)
- loom.com/share/48f63594e14c49e19840ad9cb7d60453?sid=816c6afa-0b67-4b0b-98ff-d5c58d464038 (opens in a new tab)
- new.space/s/ZuHoujvkjdzfY7Uihah7Yg (opens in a new tab)
- drive.proton.me/urls/Z6DHXNRZQC (opens in a new tab)
- sign.dropbox.com (opens in a new tab)
- app.hellosign.com (opens in a new tab)