MissClick: Execution-Aware Adversarial Attacks on Coordinate Generation in GUI Grounding Models
Recent GUI visual grounding models generate screen coordinates as digit-token sequences that are parsed into numerical values and mapped to executable clicks. This generation-to-execution interface creates an attack surface that existing objectives over visual representations or coordinate-token sequences do not explicitly model. Although each coordinate digit is predicted as a token, its spatial effect after parsing depends on decimal position: changing a hundreds-place digit by one shifts the coordinate by 100 units, whereas the same change at the ones place shifts it by one. This mismatch motivates attack objectives that account for both numerical coordinate structure and click executi...
| Authors | Yu Ran, Wentao Zhao |
|---|---|
| Primary category | cs.AI |
| Published | 4 August 2026 |
| Last updated at source | 28 September 2026 |
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